Home / 90,527,850,718.16-124,922,805,034.62-49,880,487,525.80

Finding the Fourth Proportional to 90,527,850,718.16, 124,922,805,034.62 and 49,880,487,525.80

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Solution

The fourth proportional to 90,527,850,718.16, 124,922,805,034.62 and 49,880,487,525.80 is: 68,831,971,252.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,527,850,718.16 : 124,922,805,034.62 = 49,880,487,525.80 : x
  2. Step 2: Convert to fraction form
    90,527,850,718.16/124,922,805,034.62 = 49,880,487,525.80/x
  3. Step 3: Cross multiply
    90,527,850,718.16x = 124,922,805,034.62 × 49,880,487,525.80
  4. Step 4: Simplify right side
    90,527,850,718.16x = 6,231,210,418,217,308,651,520
  5. Step 5: Solve for x
    x = 6,231,210,418,217,308,651,520/90,527,850,718.16
  6. Step 6: Final answer
    x = 68,831,971,252.88

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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.