Home / 266,152,603.40-399,228,905.10-145,220,251.40

Finding the Fourth Proportional to 266,152,603.40, 399,228,905.10 and 145,220,251.40

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Solution

The fourth proportional to 266,152,603.40, 399,228,905.10 and 145,220,251.40 is: 217,830,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,152,603.40 : 399,228,905.10 = 145,220,251.40 : x
  2. Step 2: Convert to fraction form
    266,152,603.40/399,228,905.10 = 145,220,251.40/x
  3. Step 3: Cross multiply
    266,152,603.40x = 399,228,905.10 × 145,220,251.40
  4. Step 4: Simplify right side
    266,152,603.40x = 57,976,121,964,768,744
  5. Step 5: Solve for x
    x = 57,976,121,964,768,744/266,152,603.40
  6. Step 6: Final answer
    x = 217,830,377.10

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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.