Home / 152,684,324.67-210,687,508.86-85,687,916.55

Finding the Fourth Proportional to 152,684,324.67, 210,687,508.86 and 85,687,916.55

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Solution

The fourth proportional to 152,684,324.67, 210,687,508.86 and 85,687,916.55 is: 118,239,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,684,324.67 : 210,687,508.86 = 85,687,916.55 : x
  2. Step 2: Convert to fraction form
    152,684,324.67/210,687,508.86 = 85,687,916.55/x
  3. Step 3: Cross multiply
    152,684,324.67x = 210,687,508.86 × 85,687,916.55
  4. Step 4: Simplify right side
    152,684,324.67x = 18,053,373,676,693,224
  5. Step 5: Solve for x
    x = 18,053,373,676,693,224/152,684,324.67
  6. Step 6: Final answer
    x = 118,239,863.29

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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.