Home / 100,822,217.40-151,233,326.10-49,728,713.40

Finding the Fourth Proportional to 100,822,217.40, 151,233,326.10 and 49,728,713.40

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Solution

The fourth proportional to 100,822,217.40, 151,233,326.10 and 49,728,713.40 is: 74,593,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,822,217.40 : 151,233,326.10 = 49,728,713.40 : x
  2. Step 2: Convert to fraction form
    100,822,217.40/151,233,326.10 = 49,728,713.40/x
  3. Step 3: Cross multiply
    100,822,217.40x = 151,233,326.10 × 49,728,713.40
  4. Step 4: Simplify right side
    100,822,217.40x = 7,520,638,730,155,639
  5. Step 5: Solve for x
    x = 7,520,638,730,155,639/100,822,217.40
  6. Step 6: Final answer
    x = 74,593,070.10

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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.