Home / 154,597,272.30-231,895,908.45-147,039,000.30

Finding the Fourth Proportional to 154,597,272.30, 231,895,908.45 and 147,039,000.30

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Solution

The fourth proportional to 154,597,272.30, 231,895,908.45 and 147,039,000.30 is: 220,558,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,597,272.30 : 231,895,908.45 = 147,039,000.30 : x
  2. Step 2: Convert to fraction form
    154,597,272.30/231,895,908.45 = 147,039,000.30/x
  3. Step 3: Cross multiply
    154,597,272.30x = 231,895,908.45 × 147,039,000.30
  4. Step 4: Simplify right side
    154,597,272.30x = 34,097,742,552,148,324
  5. Step 5: Solve for x
    x = 34,097,742,552,148,324/154,597,272.30
  6. Step 6: Final answer
    x = 220,558,500.45

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Double scale
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Similar ratio
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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.