Home / 85,878,593.20-118,509,758.40-46,719,366.76

Finding the Fourth Proportional to 85,878,593.20, 118,509,758.40 and 46,719,366.76

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Solution

The fourth proportional to 85,878,593.20, 118,509,758.40 and 46,719,366.76 is: 64,471,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,878,593.20 : 118,509,758.40 = 46,719,366.76 : x
  2. Step 2: Convert to fraction form
    85,878,593.20/118,509,758.40 = 46,719,366.76/x
  3. Step 3: Cross multiply
    85,878,593.20x = 118,509,758.40 × 46,719,366.76
  4. Step 4: Simplify right side
    85,878,593.20x = 5,536,700,867,328,591
  5. Step 5: Solve for x
    x = 5,536,700,867,328,591/85,878,593.20
  6. Step 6: Final answer
    x = 64,471,257.17

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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.