Home / 89,096,886.90-133,539,042.15-79,956,101.70

Finding the Fourth Proportional to 89,096,886.90, 133,539,042.15 and 79,956,101.70

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Solution

The fourth proportional to 89,096,886.90, 133,539,042.15 and 79,956,101.70 is: 119,838,768.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,096,886.90 : 133,539,042.15 = 79,956,101.70 : x
  2. Step 2: Convert to fraction form
    89,096,886.90/133,539,042.15 = 79,956,101.70/x
  3. Step 3: Cross multiply
    89,096,886.90x = 133,539,042.15 × 79,956,101.70
  4. Step 4: Simplify right side
    89,096,886.90x = 10,677,261,235,065,988
  5. Step 5: Solve for x
    x = 10,677,261,235,065,988/89,096,886.90
  6. Step 6: Final answer
    x = 119,838,768.86

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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.