Home / 118,687,487.40-178,015,069.92-31,241,681.16

Finding the Fourth Proportional to 118,687,487.40, 178,015,069.92 and 31,241,681.16

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Solution

The fourth proportional to 118,687,487.40, 178,015,069.92 and 31,241,681.16 is: 46,858,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,687,487.40 : 178,015,069.92 = 31,241,681.16 : x
  2. Step 2: Convert to fraction form
    118,687,487.40/178,015,069.92 = 31,241,681.16/x
  3. Step 3: Cross multiply
    118,687,487.40x = 178,015,069.92 × 31,241,681.16
  4. Step 4: Simplify right side
    118,687,487.40x = 5,561,490,056,115,746
  5. Step 5: Solve for x
    x = 5,561,490,056,115,746/118,687,487.40
  6. Step 6: Final answer
    x = 46,858,267.69

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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.