Home / 101,995,304.10-152,992,956.15-86,211,506.40

Finding the Fourth Proportional to 101,995,304.10, 152,992,956.15 and 86,211,506.40

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Solution

The fourth proportional to 101,995,304.10, 152,992,956.15 and 86,211,506.40 is: 129,317,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,995,304.10 : 152,992,956.15 = 86,211,506.40 : x
  2. Step 2: Convert to fraction form
    101,995,304.10/152,992,956.15 = 86,211,506.40/x
  3. Step 3: Cross multiply
    101,995,304.10x = 152,992,956.15 × 86,211,506.40
  4. Step 4: Simplify right side
    101,995,304.10x = 13,189,753,218,280,646
  5. Step 5: Solve for x
    x = 13,189,753,218,280,646/101,995,304.10
  6. Step 6: Final answer
    x = 129,317,259.60

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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.