Home / 120,127,838.94-165,770,034.03-67,913,753.40

Finding the Fourth Proportional to 120,127,838.94, 165,770,034.03 and 67,913,753.40

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Solution

The fourth proportional to 120,127,838.94, 165,770,034.03 and 67,913,753.40 is: 93,717,370.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,127,838.94 : 165,770,034.03 = 67,913,753.40 : x
  2. Step 2: Convert to fraction form
    120,127,838.94/165,770,034.03 = 67,913,753.40/x
  3. Step 3: Cross multiply
    120,127,838.94x = 165,770,034.03 × 67,913,753.40
  4. Step 4: Simplify right side
    120,127,838.94x = 11,258,065,212,223,030
  5. Step 5: Solve for x
    x = 11,258,065,212,223,030/120,127,838.94
  6. Step 6: Final answer
    x = 93,717,370.69

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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.