Home / 79,841,111.80-119,761,667.70-54,331,943.80

Finding the Fourth Proportional to 79,841,111.80, 119,761,667.70 and 54,331,943.80

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Solution

The fourth proportional to 79,841,111.80, 119,761,667.70 and 54,331,943.80 is: 81,497,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,841,111.80 : 119,761,667.70 = 54,331,943.80 : x
  2. Step 2: Convert to fraction form
    79,841,111.80/119,761,667.70 = 54,331,943.80/x
  3. Step 3: Cross multiply
    79,841,111.80x = 119,761,667.70 × 54,331,943.80
  4. Step 4: Simplify right side
    79,841,111.80x = 6,506,884,198,870,675
  5. Step 5: Solve for x
    x = 6,506,884,198,870,675/79,841,111.80
  6. Step 6: Final answer
    x = 81,497,915.70

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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.