Home / 60,280,298.70-90,420,448.05-59,855,145.90

Finding the Fourth Proportional to 60,280,298.70, 90,420,448.05 and 59,855,145.90

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Solution

The fourth proportional to 60,280,298.70, 90,420,448.05 and 59,855,145.90 is: 89,782,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,280,298.70 : 90,420,448.05 = 59,855,145.90 : x
  2. Step 2: Convert to fraction form
    60,280,298.70/90,420,448.05 = 59,855,145.90/x
  3. Step 3: Cross multiply
    60,280,298.70x = 90,420,448.05 × 59,855,145.90
  4. Step 4: Simplify right side
    60,280,298.70x = 5,412,129,110,376,120
  5. Step 5: Solve for x
    x = 5,412,129,110,376,120/60,280,298.70
  6. Step 6: Final answer
    x = 89,782,718.85

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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.