Home / 117,252,114.30-175,878,171.45-86,641,112.70

Finding the Fourth Proportional to 117,252,114.30, 175,878,171.45 and 86,641,112.70

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Solution

The fourth proportional to 117,252,114.30, 175,878,171.45 and 86,641,112.70 is: 129,961,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,252,114.30 : 175,878,171.45 = 86,641,112.70 : x
  2. Step 2: Convert to fraction form
    117,252,114.30/175,878,171.45 = 86,641,112.70/x
  3. Step 3: Cross multiply
    117,252,114.30x = 175,878,171.45 × 86,641,112.70
  4. Step 4: Simplify right side
    117,252,114.30x = 15,238,280,474,069,372
  5. Step 5: Solve for x
    x = 15,238,280,474,069,372/117,252,114.30
  6. Step 6: Final answer
    x = 129,961,669.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.