Home / 60,490,862.70-90,736,294.05-20,101,346.70

Finding the Fourth Proportional to 60,490,862.70, 90,736,294.05 and 20,101,346.70

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Solution

The fourth proportional to 60,490,862.70, 90,736,294.05 and 20,101,346.70 is: 30,152,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,490,862.70 : 90,736,294.05 = 20,101,346.70 : x
  2. Step 2: Convert to fraction form
    60,490,862.70/90,736,294.05 = 20,101,346.70/x
  3. Step 3: Cross multiply
    60,490,862.70x = 90,736,294.05 × 20,101,346.70
  4. Step 4: Simplify right side
    60,490,862.70x = 1,823,921,704,972,197
  5. Step 5: Solve for x
    x = 1,823,921,704,972,197/60,490,862.70
  6. Step 6: Final answer
    x = 30,152,020.05

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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.