Home / 118,428,833.60-177,941,848.80-75,318,689.60

Finding the Fourth Proportional to 118,428,833.60, 177,941,848.80 and 75,318,689.60

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Solution

The fourth proportional to 118,428,833.60, 177,941,848.80 and 75,318,689.60 is: 113,167,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,428,833.60 : 177,941,848.80 = 75,318,689.60 : x
  2. Step 2: Convert to fraction form
    118,428,833.60/177,941,848.80 = 75,318,689.60/x
  3. Step 3: Cross multiply
    118,428,833.60x = 177,941,848.80 × 75,318,689.60
  4. Step 4: Simplify right side
    118,428,833.60x = 13,402,346,876,617,332
  5. Step 5: Solve for x
    x = 13,402,346,876,617,332/118,428,833.60
  6. Step 6: Final answer
    x = 113,167,937.82

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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.