Home / 136,575,784.32-188,479,488.24-77,847,311.04

Finding the Fourth Proportional to 136,575,784.32, 188,479,488.24 and 77,847,311.04

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Solution

The fourth proportional to 136,575,784.32, 188,479,488.24 and 77,847,311.04 is: 107,432,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,575,784.32 : 188,479,488.24 = 77,847,311.04 : x
  2. Step 2: Convert to fraction form
    136,575,784.32/188,479,488.24 = 77,847,311.04/x
  3. Step 3: Cross multiply
    136,575,784.32x = 188,479,488.24 × 77,847,311.04
  4. Step 4: Simplify right side
    136,575,784.32x = 14,672,621,345,679,304
  5. Step 5: Solve for x
    x = 14,672,621,345,679,304/136,575,784.32
  6. Step 6: Final answer
    x = 107,432,085.55

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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.