Home / 153,382,691.76-211,673,337.84-90,712,511.82

Finding the Fourth Proportional to 153,382,691.76, 211,673,337.84 and 90,712,511.82

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Solution

The fourth proportional to 153,382,691.76, 211,673,337.84 and 90,712,511.82 is: 125,186,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,382,691.76 : 211,673,337.84 = 90,712,511.82 : x
  2. Step 2: Convert to fraction form
    153,382,691.76/211,673,337.84 = 90,712,511.82/x
  3. Step 3: Cross multiply
    153,382,691.76x = 211,673,337.84 × 90,712,511.82
  4. Step 4: Simplify right side
    153,382,691.76x = 19,201,420,160,789,852
  5. Step 5: Solve for x
    x = 19,201,420,160,789,852/153,382,691.76
  6. Step 6: Final answer
    x = 125,186,355.39

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1.5x scale

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.