Home / 90,666,350.84-136,026,209.03-29,254,357.49

Finding the Fourth Proportional to 90,666,350.84, 136,026,209.03 and 29,254,357.49

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Solution

The fourth proportional to 90,666,350.84, 136,026,209.03 and 29,254,357.49 is: 43,890,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666,350.84 : 136,026,209.03 = 29,254,357.49 : x
  2. Step 2: Convert to fraction form
    90,666,350.84/136,026,209.03 = 29,254,357.49/x
  3. Step 3: Cross multiply
    90,666,350.84x = 136,026,209.03 × 29,254,357.49
  4. Step 4: Simplify right side
    90,666,350.84x = 3,979,359,346,366,091
  5. Step 5: Solve for x
    x = 3,979,359,346,366,091/90,666,350.84
  6. Step 6: Final answer
    x = 43,890,145.68

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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.