Home / 98,730,916.55-136,183,060.32-63,493,272.71

Finding the Fourth Proportional to 98,730,916.55, 136,183,060.32 and 63,493,272.71

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Solution

The fourth proportional to 98,730,916.55, 136,183,060.32 and 63,493,272.71 is: 87,578,526.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,730,916.55 : 136,183,060.32 = 63,493,272.71 : x
  2. Step 2: Convert to fraction form
    98,730,916.55/136,183,060.32 = 63,493,272.71/x
  3. Step 3: Cross multiply
    98,730,916.55x = 136,183,060.32 × 63,493,272.71
  4. Step 4: Simplify right side
    98,730,916.55x = 8,646,708,188,273,725
  5. Step 5: Solve for x
    x = 8,646,708,188,273,725/98,730,916.55
  6. Step 6: Final answer
    x = 87,578,526.46

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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.