Home / 127,104,654.59-175,399,257.98-72,099,330.11

Finding the Fourth Proportional to 127,104,654.59, 175,399,257.98 and 72,099,330.11

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Solution

The fourth proportional to 127,104,654.59, 175,399,257.98 and 72,099,330.11 is: 99,494,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,104,654.59 : 175,399,257.98 = 72,099,330.11 : x
  2. Step 2: Convert to fraction form
    127,104,654.59/175,399,257.98 = 72,099,330.11/x
  3. Step 3: Cross multiply
    127,104,654.59x = 175,399,257.98 × 72,099,330.11
  4. Step 4: Simplify right side
    127,104,654.59x = 12,646,169,001,788,574
  5. Step 5: Solve for x
    x = 12,646,169,001,788,574/127,104,654.59
  6. Step 6: Final answer
    x = 99,494,145.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.