Home / 266,517,475,681.98-399,762,133,641.24-87,419,871,092.64

Finding the Fourth Proportional to 266,517,475,681.98, 399,762,133,641.24 and 87,419,871,092.64

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Solution

The fourth proportional to 266,517,475,681.98, 399,762,133,641.24 and 87,419,871,092.64 is: 131,125,188,324.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,517,475,681.98 : 399,762,133,641.24 = 87,419,871,092.64 : x
  2. Step 2: Convert to fraction form
    266,517,475,681.98/399,762,133,641.24 = 87,419,871,092.64/x
  3. Step 3: Cross multiply
    266,517,475,681.98x = 399,762,133,641.24 × 87,419,871,092.64
  4. Step 4: Simplify right side
    266,517,475,681.98x = 34,947,154,190,635,922,096,128
  5. Step 5: Solve for x
    x = 34,947,154,190,635,922,096,128/266,517,475,681.98
  6. Step 6: Final answer
    x = 131,125,188,324.75

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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.