Home / 101,309,226.40-152,038,489.20-40,768,400.80

Finding the Fourth Proportional to 101,309,226.40, 152,038,489.20 and 40,768,400.80

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Solution

The fourth proportional to 101,309,226.40, 152,038,489.20 and 40,768,400.80 is: 61,182,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,309,226.40 : 152,038,489.20 = 40,768,400.80 : x
  2. Step 2: Convert to fraction form
    101,309,226.40/152,038,489.20 = 40,768,400.80/x
  3. Step 3: Cross multiply
    101,309,226.40x = 152,038,489.20 × 40,768,400.80
  4. Step 4: Simplify right side
    101,309,226.40x = 6,198,366,064,732,070
  5. Step 5: Solve for x
    x = 6,198,366,064,732,070/101,309,226.40
  6. Step 6: Final answer
    x = 61,182,641.35

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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.