Home / 151,973,387.40-209,723,454-82,358,767.92

Finding the Fourth Proportional to 151,973,387.40, 209,723,454 and 82,358,767.92

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Solution

The fourth proportional to 151,973,387.40, 209,723,454 and 82,358,767.92 is: 113,655,196.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,973,387.40 : 209,723,454 = 82,358,767.92 : x
  2. Step 2: Convert to fraction form
    151,973,387.40/209,723,454 = 82,358,767.92/x
  3. Step 3: Cross multiply
    151,973,387.40x = 209,723,454 × 82,358,767.92
  4. Step 4: Simplify right side
    151,973,387.40x = 17,272,565,275,366,796
  5. Step 5: Solve for x
    x = 17,272,565,275,366,796/151,973,387.40
  6. Step 6: Final answer
    x = 113,655,196.95

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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.