Home / 90,586,965.30-135,746,077.59-66,534,864.18

Finding the Fourth Proportional to 90,586,965.30, 135,746,077.59 and 66,534,864.18

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Solution

The fourth proportional to 90,586,965.30, 135,746,077.59 and 66,534,864.18 is: 99,703,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586,965.30 : 135,746,077.59 = 66,534,864.18 : x
  2. Step 2: Convert to fraction form
    90,586,965.30/135,746,077.59 = 66,534,864.18/x
  3. Step 3: Cross multiply
    90,586,965.30x = 135,746,077.59 × 66,534,864.18
  4. Step 4: Simplify right side
    90,586,965.30x = 9,031,846,835,418,392
  5. Step 5: Solve for x
    x = 9,031,846,835,418,392/90,586,965.30
  6. Step 6: Final answer
    x = 99,703,603.11

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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.