Home / 78,732,313.80-118,082,724.30-37,791,673.80

Finding the Fourth Proportional to 78,732,313.80, 118,082,724.30 and 37,791,673.80

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Solution

The fourth proportional to 78,732,313.80, 118,082,724.30 and 37,791,673.80 is: 56,679,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,313.80 : 118,082,724.30 = 37,791,673.80 : x
  2. Step 2: Convert to fraction form
    78,732,313.80/118,082,724.30 = 37,791,673.80/x
  3. Step 3: Cross multiply
    78,732,313.80x = 118,082,724.30 × 37,791,673.80
  4. Step 4: Simplify right side
    78,732,313.80x = 4,462,543,798,160,933
  5. Step 5: Solve for x
    x = 4,462,543,798,160,933/78,732,313.80
  6. Step 6: Final answer
    x = 56,679,952.40

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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.