Home / 30,319,412.70-45,479,119.05-23,144,959.20

Finding the Fourth Proportional to 30,319,412.70, 45,479,119.05 and 23,144,959.20

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Solution

The fourth proportional to 30,319,412.70, 45,479,119.05 and 23,144,959.20 is: 34,717,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319,412.70 : 45,479,119.05 = 23,144,959.20 : x
  2. Step 2: Convert to fraction form
    30,319,412.70/45,479,119.05 = 23,144,959.20/x
  3. Step 3: Cross multiply
    30,319,412.70x = 45,479,119.05 × 23,144,959.20
  4. Step 4: Simplify right side
    30,319,412.70x = 1,052,612,354,864,192.62
  5. Step 5: Solve for x
    x = 1,052,612,354,864,192.62/30,319,412.70
  6. Step 6: Final answer
    x = 34,717,438.80

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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.