Home / 458,956,897.20-688,569,649.47-148,058,532.18

Finding the Fourth Proportional to 458,956,897.20, 688,569,649.47 and 148,058,532.18

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Solution

The fourth proportional to 458,956,897.20, 688,569,649.47 and 148,058,532.18 is: 222,131,124.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,956,897.20 : 688,569,649.47 = 148,058,532.18 : x
  2. Step 2: Convert to fraction form
    458,956,897.20/688,569,649.47 = 148,058,532.18/x
  3. Step 3: Cross multiply
    458,956,897.20x = 688,569,649.47 × 148,058,532.18
  4. Step 4: Simplify right side
    458,956,897.20x = 101,948,611,604,225,328
  5. Step 5: Solve for x
    x = 101,948,611,604,225,328/458,956,897.20
  6. Step 6: Final answer
    x = 222,131,124.35

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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.