Home / 266,517,475,692.35-399,762,133,656.61-87,419,871,103.01

Finding the Fourth Proportional to 266,517,475,692.35, 399,762,133,656.61 and 87,419,871,103.01

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Solution

The fourth proportional to 266,517,475,692.35, 399,762,133,656.61 and 87,419,871,103.01 is: 131,125,188,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,517,475,692.35 : 399,762,133,656.61 = 87,419,871,103.01 : x
  2. Step 2: Convert to fraction form
    266,517,475,692.35/399,762,133,656.61 = 87,419,871,103.01/x
  3. Step 3: Cross multiply
    266,517,475,692.35x = 399,762,133,656.61 × 87,419,871,103.01
  4. Step 4: Simplify right side
    266,517,475,692.35x = 34,947,154,196,123,103,526,912
  5. Step 5: Solve for x
    x = 34,947,154,196,123,103,526,912/266,517,475,692.35
  6. Step 6: Final answer
    x = 131,125,188,340.23

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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.