Home / 409,421,649.57-614,240,162.25-147,132,698.37

Finding the Fourth Proportional to 409,421,649.57, 614,240,162.25 and 147,132,698.37

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Solution

The fourth proportional to 409,421,649.57, 614,240,162.25 and 147,132,698.37 is: 220,737,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,421,649.57 : 614,240,162.25 = 147,132,698.37 : x
  2. Step 2: Convert to fraction form
    409,421,649.57/614,240,162.25 = 147,132,698.37/x
  3. Step 3: Cross multiply
    409,421,649.57x = 614,240,162.25 × 147,132,698.37
  4. Step 4: Simplify right side
    409,421,649.57x = 90,374,812,519,069,120
  5. Step 5: Solve for x
    x = 90,374,812,519,069,120/409,421,649.57
  6. Step 6: Final answer
    x = 220,737,747.05

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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.