Home / 90,527,850,323.62-124,922,804,493.82-49,880,487,132.28

Finding the Fourth Proportional to 90,527,850,323.62, 124,922,804,493.82 and 49,880,487,132.28

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Solution

The fourth proportional to 90,527,850,323.62, 124,922,804,493.82 and 49,880,487,132.28 is: 68,831,970,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527,850,323.62 : 124,922,804,493.82 = 49,880,487,132.28 : x
  2. Step 2: Convert to fraction form
    90,527,850,323.62/124,922,804,493.82 = 49,880,487,132.28/x
  3. Step 3: Cross multiply
    90,527,850,323.62x = 124,922,804,493.82 × 49,880,487,132.28
  4. Step 4: Simplify right side
    90,527,850,323.62x = 6,231,210,342,082,319,220,736
  5. Step 5: Solve for x
    x = 6,231,210,342,082,319,220,736/90,527,850,323.62
  6. Step 6: Final answer
    x = 68,831,970,711.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.