Home / 266,152,607.40-399,228,911.10-145,220,255.40

Finding the Fourth Proportional to 266,152,607.40, 399,228,911.10 and 145,220,255.40

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Solution

The fourth proportional to 266,152,607.40, 399,228,911.10 and 145,220,255.40 is: 217,830,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,152,607.40 : 399,228,911.10 = 145,220,255.40 : x
  2. Step 2: Convert to fraction form
    266,152,607.40/399,228,911.10 = 145,220,255.40/x
  3. Step 3: Cross multiply
    266,152,607.40x = 399,228,911.10 × 145,220,255.40
  4. Step 4: Simplify right side
    266,152,607.40x = 57,976,124,433,005,904
  5. Step 5: Solve for x
    x = 57,976,124,433,005,904/266,152,607.40
  6. Step 6: Final answer
    x = 217,830,383.10

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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.