Home / 82,920,215.52-124,263,406.44-39,154,277.52

Finding the Fourth Proportional to 82,920,215.52, 124,263,406.44 and 39,154,277.52

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Solution

The fourth proportional to 82,920,215.52, 124,263,406.44 and 39,154,277.52 is: 58,676,209.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,920,215.52 : 124,263,406.44 = 39,154,277.52 : x
  2. Step 2: Convert to fraction form
    82,920,215.52/124,263,406.44 = 39,154,277.52/x
  3. Step 3: Cross multiply
    82,920,215.52x = 124,263,406.44 × 39,154,277.52
  4. Step 4: Simplify right side
    82,920,215.52x = 4,865,443,901,332,316
  5. Step 5: Solve for x
    x = 4,865,443,901,332,316/82,920,215.52
  6. Step 6: Final answer
    x = 58,676,209.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.