Home / 97,806,472.40-146,709,708.60-69,108,658.40

Finding the Fourth Proportional to 97,806,472.40, 146,709,708.60 and 69,108,658.40

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Solution

The fourth proportional to 97,806,472.40, 146,709,708.60 and 69,108,658.40 is: 103,662,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806,472.40 : 146,709,708.60 = 69,108,658.40 : x
  2. Step 2: Convert to fraction form
    97,806,472.40/146,709,708.60 = 69,108,658.40/x
  3. Step 3: Cross multiply
    97,806,472.40x = 146,709,708.60 × 69,108,658.40
  4. Step 4: Simplify right side
    97,806,472.40x = 10,138,911,135,600,942
  5. Step 5: Solve for x
    x = 10,138,911,135,600,942/97,806,472.40
  6. Step 6: Final answer
    x = 103,662,987.60

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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.