Home / 75,631,549.58-104,419,808.13-61,726,122.50

Finding the Fourth Proportional to 75,631,549.58, 104,419,808.13 and 61,726,122.50

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Solution

The fourth proportional to 75,631,549.58, 104,419,808.13 and 61,726,122.50 is: 85,221,444.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631,549.58 : 104,419,808.13 = 61,726,122.50 : x
  2. Step 2: Convert to fraction form
    75,631,549.58/104,419,808.13 = 61,726,122.50/x
  3. Step 3: Cross multiply
    75,631,549.58x = 104,419,808.13 × 61,726,122.50
  4. Step 4: Simplify right side
    75,631,549.58x = 6,445,429,868,058,876
  5. Step 5: Solve for x
    x = 6,445,429,868,058,876/75,631,549.58
  6. Step 6: Final answer
    x = 85,221,444.01

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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.