Home / 90,872,119.32-125,403,024.54-49,618,718.04

Finding the Fourth Proportional to 90,872,119.32, 125,403,024.54 and 49,618,718.04

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Solution

The fourth proportional to 90,872,119.32, 125,403,024.54 and 49,618,718.04 is: 68,473,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,872,119.32 : 125,403,024.54 = 49,618,718.04 : x
  2. Step 2: Convert to fraction form
    90,872,119.32/125,403,024.54 = 49,618,718.04/x
  3. Step 3: Cross multiply
    90,872,119.32x = 125,403,024.54 × 49,618,718.04
  4. Step 4: Simplify right side
    90,872,119.32x = 6,222,337,316,013,461
  5. Step 5: Solve for x
    x = 6,222,337,316,013,461/90,872,119.32
  6. Step 6: Final answer
    x = 68,473,557.81

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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.