Home / 191,309,816.64-287,012,789.28-54,995,448

Finding the Fourth Proportional to 191,309,816.64, 287,012,789.28 and 54,995,448

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Solution

The fourth proportional to 191,309,816.64, 287,012,789.28 and 54,995,448 is: 82,506,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,309,816.64 : 287,012,789.28 = 54,995,448 : x
  2. Step 2: Convert to fraction form
    191,309,816.64/287,012,789.28 = 54,995,448/x
  3. Step 3: Cross multiply
    191,309,816.64x = 287,012,789.28 × 54,995,448
  4. Step 4: Simplify right side
    191,309,816.64x = 15,784,396,928,183,196
  5. Step 5: Solve for x
    x = 15,784,396,928,183,196/191,309,816.64
  6. Step 6: Final answer
    x = 82,506,988.95

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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.