Home / 266,063,601.60-398,896,336.80-145,031,716.80

Finding the Fourth Proportional to 266,063,601.60, 398,896,336.80 and 145,031,716.80

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Solution

The fourth proportional to 266,063,601.60, 398,896,336.80 and 145,031,716.80 is: 217,439,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,063,601.60 : 398,896,336.80 = 145,031,716.80 : x
  2. Step 2: Convert to fraction form
    266,063,601.60/398,896,336.80 = 145,031,716.80/x
  3. Step 3: Cross multiply
    266,063,601.60x = 398,896,336.80 × 145,031,716.80
  4. Step 4: Simplify right side
    266,063,601.60x = 57,852,620,551,335,024
  5. Step 5: Solve for x
    x = 57,852,620,551,335,024/266,063,601.60
  6. Step 6: Final answer
    x = 217,439,064.21

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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.