Home / 65,179,387.20-97,843,730.40-38,268,206.40

Finding the Fourth Proportional to 65,179,387.20, 97,843,730.40 and 38,268,206.40

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Solution

The fourth proportional to 65,179,387.20, 97,843,730.40 and 38,268,206.40 is: 57,446,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,179,387.20 : 97,843,730.40 = 38,268,206.40 : x
  2. Step 2: Convert to fraction form
    65,179,387.20/97,843,730.40 = 38,268,206.40/x
  3. Step 3: Cross multiply
    65,179,387.20x = 97,843,730.40 × 38,268,206.40
  4. Step 4: Simplify right side
    65,179,387.20x = 3,744,304,069,893,154.50
  5. Step 5: Solve for x
    x = 3,744,304,069,893,154.50/65,179,387.20
  6. Step 6: Final answer
    x = 57,446,137.97

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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.