Home / 125,473,470.30-188,210,205.45-99,645,437.70

Finding the Fourth Proportional to 125,473,470.30, 188,210,205.45 and 99,645,437.70

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Solution

The fourth proportional to 125,473,470.30, 188,210,205.45 and 99,645,437.70 is: 149,468,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,473,470.30 : 188,210,205.45 = 99,645,437.70 : x
  2. Step 2: Convert to fraction form
    125,473,470.30/188,210,205.45 = 99,645,437.70/x
  3. Step 3: Cross multiply
    125,473,470.30x = 188,210,205.45 × 99,645,437.70
  4. Step 4: Simplify right side
    125,473,470.30x = 18,754,288,301,672,176
  5. Step 5: Solve for x
    x = 18,754,288,301,672,176/125,473,470.30
  6. Step 6: Final answer
    x = 149,468,156.55

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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.