Home / 72,581,493.20-109,034,441.40-60,637,557.20

Finding the Fourth Proportional to 72,581,493.20, 109,034,441.40 and 60,637,557.20

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Solution

The fourth proportional to 72,581,493.20, 109,034,441.40 and 60,637,557.20 is: 91,091,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,493.20 : 109,034,441.40 = 60,637,557.20 : x
  2. Step 2: Convert to fraction form
    72,581,493.20/109,034,441.40 = 60,637,557.20/x
  3. Step 3: Cross multiply
    72,581,493.20x = 109,034,441.40 × 60,637,557.20
  4. Step 4: Simplify right side
    72,581,493.20x = 6,611,582,177,162,549
  5. Step 5: Solve for x
    x = 6,611,582,177,162,549/72,581,493.20
  6. Step 6: Final answer
    x = 91,091,845.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.