Home / 66,001,805.40-99,002,708.10-31,989,581.40

Finding the Fourth Proportional to 66,001,805.40, 99,002,708.10 and 31,989,581.40

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Solution

The fourth proportional to 66,001,805.40, 99,002,708.10 and 31,989,581.40 is: 47,984,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001,805.40 : 99,002,708.10 = 31,989,581.40 : x
  2. Step 2: Convert to fraction form
    66,001,805.40/99,002,708.10 = 31,989,581.40/x
  3. Step 3: Cross multiply
    66,001,805.40x = 99,002,708.10 × 31,989,581.40
  4. Step 4: Simplify right side
    66,001,805.40x = 3,167,055,189,585,389
  5. Step 5: Solve for x
    x = 3,167,055,189,585,389/66,001,805.40
  6. Step 6: Final answer
    x = 47,984,372.10

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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.