Home / 85,878,592.20-118,509,757.02-46,719,365.76

Finding the Fourth Proportional to 85,878,592.20, 118,509,757.02 and 46,719,365.76

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Solution

The fourth proportional to 85,878,592.20, 118,509,757.02 and 46,719,365.76 is: 64,471,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,878,592.20 : 118,509,757.02 = 46,719,365.76 : x
  2. Step 2: Convert to fraction form
    85,878,592.20/118,509,757.02 = 46,719,365.76/x
  3. Step 3: Cross multiply
    85,878,592.20x = 118,509,757.02 × 46,719,365.76
  4. Step 4: Simplify right side
    85,878,592.20x = 5,536,700,684,346,107
  5. Step 5: Solve for x
    x = 5,536,700,684,346,107/85,878,592.20
  6. Step 6: Final answer
    x = 64,471,255.79

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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.