Home / 113,542,016.28-156,688,045.53-61,331,052.38

Finding the Fourth Proportional to 113,542,016.28, 156,688,045.53 and 61,331,052.38

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Solution

The fourth proportional to 113,542,016.28, 156,688,045.53 and 61,331,052.38 is: 84,636,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542,016.28 : 156,688,045.53 = 61,331,052.38 : x
  2. Step 2: Convert to fraction form
    113,542,016.28/156,688,045.53 = 61,331,052.38/x
  3. Step 3: Cross multiply
    113,542,016.28x = 156,688,045.53 × 61,331,052.38
  4. Step 4: Simplify right side
    113,542,016.28x = 9,609,842,727,052,116
  5. Step 5: Solve for x
    x = 9,609,842,727,052,116/113,542,016.28
  6. Step 6: Final answer
    x = 84,636,886.35

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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.