Home / 77,800,595.22-107,365,156.16-42,519,123.90

Finding the Fourth Proportional to 77,800,595.22, 107,365,156.16 and 42,519,123.90

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Solution

The fourth proportional to 77,800,595.22, 107,365,156.16 and 42,519,123.90 is: 58,676,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,800,595.22 : 107,365,156.16 = 42,519,123.90 : x
  2. Step 2: Convert to fraction form
    77,800,595.22/107,365,156.16 = 42,519,123.90/x
  3. Step 3: Cross multiply
    77,800,595.22x = 107,365,156.16 × 42,519,123.90
  4. Step 4: Simplify right side
    77,800,595.22x = 4,565,072,377,309,888
  5. Step 5: Solve for x
    x = 4,565,072,377,309,888/77,800,595.22
  6. Step 6: Final answer
    x = 58,676,573.93

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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.