Home / 43,700,972.40-65,559,331.80-18,144,565.20

Finding the Fourth Proportional to 43,700,972.40, 65,559,331.80 and 18,144,565.20

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Solution

The fourth proportional to 43,700,972.40, 65,559,331.80 and 18,144,565.20 is: 27,220,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,700,972.40 : 65,559,331.80 = 18,144,565.20 : x
  2. Step 2: Convert to fraction form
    43,700,972.40/65,559,331.80 = 18,144,565.20/x
  3. Step 3: Cross multiply
    43,700,972.40x = 65,559,331.80 × 18,144,565.20
  4. Step 4: Simplify right side
    43,700,972.40x = 1,189,545,570,313,533.25
  5. Step 5: Solve for x
    x = 1,189,545,570,313,533.25/43,700,972.40
  6. Step 6: Final answer
    x = 27,220,116.74

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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.