Home / 56,979,180.53-78,631,338.60-30,873,677.76

Finding the Fourth Proportional to 56,979,180.53, 78,631,338.60 and 30,873,677.76

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Solution

The fourth proportional to 56,979,180.53, 78,631,338.60 and 30,873,677.76 is: 42,605,712.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,979,180.53 : 78,631,338.60 = 30,873,677.76 : x
  2. Step 2: Convert to fraction form
    56,979,180.53/78,631,338.60 = 30,873,677.76/x
  3. Step 3: Cross multiply
    56,979,180.53x = 78,631,338.60 × 30,873,677.76
  4. Step 4: Simplify right side
    56,979,180.53x = 2,427,638,609,773,849.50
  5. Step 5: Solve for x
    x = 2,427,638,609,773,849.50/56,979,180.53
  6. Step 6: Final answer
    x = 42,605,712.95

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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.