Home / 85,009,340.97-127,509,215.10-37,672,236.84

Finding the Fourth Proportional to 85,009,340.97, 127,509,215.10 and 37,672,236.84

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Solution

The fourth proportional to 85,009,340.97, 127,509,215.10 and 37,672,236.84 is: 56,506,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,009,340.97 : 127,509,215.10 = 37,672,236.84 : x
  2. Step 2: Convert to fraction form
    85,009,340.97/127,509,215.10 = 37,672,236.84/x
  3. Step 3: Cross multiply
    85,009,340.97x = 127,509,215.10 × 37,672,236.84
  4. Step 4: Simplify right side
    85,009,340.97x = 4,803,557,350,892,963
  5. Step 5: Solve for x
    x = 4,803,557,350,892,963/85,009,340.97
  6. Step 6: Final answer
    x = 56,506,229.74

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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.