Home / 119,582,344.40-165,023,633.76-64,578,196.04

Finding the Fourth Proportional to 119,582,344.40, 165,023,633.76 and 64,578,196.04

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Solution

The fourth proportional to 119,582,344.40, 165,023,633.76 and 64,578,196.04 is: 89,117,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582,344.40 : 165,023,633.76 = 64,578,196.04 : x
  2. Step 2: Convert to fraction form
    119,582,344.40/165,023,633.76 = 64,578,196.04/x
  3. Step 3: Cross multiply
    119,582,344.40x = 165,023,633.76 × 64,578,196.04
  4. Step 4: Simplify right side
    119,582,344.40x = 10,656,928,572,186,442
  5. Step 5: Solve for x
    x = 10,656,928,572,186,442/119,582,344.40
  6. Step 6: Final answer
    x = 89,117,909.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.