Home / 60,680,875.68-83,762,379.72-39,774,255.12

Finding the Fourth Proportional to 60,680,875.68, 83,762,379.72 and 39,774,255.12

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Solution

The fourth proportional to 60,680,875.68, 83,762,379.72 and 39,774,255.12 is: 54,903,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,680,875.68 : 83,762,379.72 = 39,774,255.12 : x
  2. Step 2: Convert to fraction form
    60,680,875.68/83,762,379.72 = 39,774,255.12/x
  3. Step 3: Cross multiply
    60,680,875.68x = 83,762,379.72 × 39,774,255.12
  4. Step 4: Simplify right side
    60,680,875.68x = 3,331,586,260,441,594
  5. Step 5: Solve for x
    x = 3,331,586,260,441,594/60,680,875.68
  6. Step 6: Final answer
    x = 54,903,397.87

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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.