Home / 78,306,232.32-108,059,595.84-43,501,113.92

Finding the Fourth Proportional to 78,306,232.32, 108,059,595.84 and 43,501,113.92

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Solution

The fourth proportional to 78,306,232.32, 108,059,595.84 and 43,501,113.92 is: 60,029,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,306,232.32 : 108,059,595.84 = 43,501,113.92 : x
  2. Step 2: Convert to fraction form
    78,306,232.32/108,059,595.84 = 43,501,113.92/x
  3. Step 3: Cross multiply
    78,306,232.32x = 108,059,595.84 × 43,501,113.92
  4. Step 4: Simplify right side
    78,306,232.32x = 4,700,712,788,784,998
  5. Step 5: Solve for x
    x = 4,700,712,788,784,998/78,306,232.32
  6. Step 6: Final answer
    x = 60,029,867.99

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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.