Home / 103,493,128.10-155,239,692.15-88,104,958.70

Finding the Fourth Proportional to 103,493,128.10, 155,239,692.15 and 88,104,958.70

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Solution

The fourth proportional to 103,493,128.10, 155,239,692.15 and 88,104,958.70 is: 132,157,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,493,128.10 : 155,239,692.15 = 88,104,958.70 : x
  2. Step 2: Convert to fraction form
    103,493,128.10/155,239,692.15 = 88,104,958.70/x
  3. Step 3: Cross multiply
    103,493,128.10x = 155,239,692.15 × 88,104,958.70
  4. Step 4: Simplify right side
    103,493,128.10x = 13,677,386,665,476,466
  5. Step 5: Solve for x
    x = 13,677,386,665,476,466/103,493,128.10
  6. Step 6: Final answer
    x = 132,157,438.05

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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.