Home / 86,373,208.60-119,195,036.84-47,215,144.91

Finding the Fourth Proportional to 86,373,208.60, 119,195,036.84 and 47,215,144.91

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Solution

The fourth proportional to 86,373,208.60, 119,195,036.84 and 47,215,144.91 is: 65,156,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373,208.60 : 119,195,036.84 = 47,215,144.91 : x
  2. Step 2: Convert to fraction form
    86,373,208.60/119,195,036.84 = 47,215,144.91/x
  3. Step 3: Cross multiply
    86,373,208.60x = 119,195,036.84 × 47,215,144.91
  4. Step 4: Simplify right side
    86,373,208.60x = 5,627,810,937,369,414
  5. Step 5: Solve for x
    x = 5,627,810,937,369,414/86,373,208.60
  6. Step 6: Final answer
    x = 65,156,904.89

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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.