Home / 84,867,307.92-127,390,010.04-75,213,680.40

Finding the Fourth Proportional to 84,867,307.92, 127,390,010.04 and 75,213,680.40

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Solution

The fourth proportional to 84,867,307.92, 127,390,010.04 and 75,213,680.40 is: 112,899,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,867,307.92 : 127,390,010.04 = 75,213,680.40 : x
  2. Step 2: Convert to fraction form
    84,867,307.92/127,390,010.04 = 75,213,680.40/x
  3. Step 3: Cross multiply
    84,867,307.92x = 127,390,010.04 × 75,213,680.40
  4. Step 4: Simplify right side
    84,867,307.92x = 9,581,471,501,301,352
  5. Step 5: Solve for x
    x = 9,581,471,501,301,352/84,867,307.92
  6. Step 6: Final answer
    x = 112,899,439.56

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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.