Home / 90,747,845.40-136,121,768.10-29,336,885.40

Finding the Fourth Proportional to 90,747,845.40, 136,121,768.10 and 29,336,885.40

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Solution

The fourth proportional to 90,747,845.40, 136,121,768.10 and 29,336,885.40 is: 44,005,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747,845.40 : 136,121,768.10 = 29,336,885.40 : x
  2. Step 2: Convert to fraction form
    90,747,845.40/136,121,768.10 = 29,336,885.40/x
  3. Step 3: Cross multiply
    90,747,845.40x = 136,121,768.10 × 29,336,885.40
  4. Step 4: Simplify right side
    90,747,845.40x = 3,993,388,711,195,075.50
  5. Step 5: Solve for x
    x = 3,993,388,711,195,075.50/90,747,845.40
  6. Step 6: Final answer
    x = 44,005,328.10

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1.5x scale

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.