Home / 75,873,156.56-104,693,811.60-42,378,508.40

Finding the Fourth Proportional to 75,873,156.56, 104,693,811.60 and 42,378,508.40

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Solution

The fourth proportional to 75,873,156.56, 104,693,811.60 and 42,378,508.40 is: 58,476,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,873,156.56 : 104,693,811.60 = 42,378,508.40 : x
  2. Step 2: Convert to fraction form
    75,873,156.56/104,693,811.60 = 42,378,508.40/x
  3. Step 3: Cross multiply
    75,873,156.56x = 104,693,811.60 × 42,378,508.40
  4. Step 4: Simplify right side
    75,873,156.56x = 4,436,767,574,318,617
  5. Step 5: Solve for x
    x = 4,436,767,574,318,617/75,873,156.56
  6. Step 6: Final answer
    x = 58,476,116.92

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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.