Home / 72,581,618.20-109,034,628.90-60,637,682.20

Finding the Fourth Proportional to 72,581,618.20, 109,034,628.90 and 60,637,682.20

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Solution

The fourth proportional to 72,581,618.20, 109,034,628.90 and 60,637,682.20 is: 91,092,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,581,618.20 : 109,034,628.90 = 60,637,682.20 : x
  2. Step 2: Convert to fraction form
    72,581,618.20/109,034,628.90 = 60,637,682.20/x
  3. Step 3: Cross multiply
    72,581,618.20x = 109,034,628.90 × 60,637,682.20
  4. Step 4: Simplify right side
    72,581,618.20x = 6,611,607,176,033,136
  5. Step 5: Solve for x
    x = 6,611,607,176,033,136/72,581,618.20
  6. Step 6: Final answer
    x = 91,092,033.22

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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.