Home / 58,281,919.64-80,354,279.90-47,789,278.36

Finding the Fourth Proportional to 58,281,919.64, 80,354,279.90 and 47,789,278.36

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Solution

The fourth proportional to 58,281,919.64, 80,354,279.90 and 47,789,278.36 is: 65,887,895.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281,919.64 : 80,354,279.90 = 47,789,278.36 : x
  2. Step 2: Convert to fraction form
    58,281,919.64/80,354,279.90 = 47,789,278.36/x
  3. Step 3: Cross multiply
    58,281,919.64x = 80,354,279.90 × 47,789,278.36
  4. Step 4: Simplify right side
    58,281,919.64x = 3,840,073,049,558,453
  5. Step 5: Solve for x
    x = 3,840,073,049,558,453/58,281,919.64
  6. Step 6: Final answer
    x = 65,887,895.82

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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.