Home / 98,263,391.40-147,395,087.10-47,119,084.20

Finding the Fourth Proportional to 98,263,391.40, 147,395,087.10 and 47,119,084.20

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Solution

The fourth proportional to 98,263,391.40, 147,395,087.10 and 47,119,084.20 is: 70,678,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,263,391.40 : 147,395,087.10 = 47,119,084.20 : x
  2. Step 2: Convert to fraction form
    98,263,391.40/147,395,087.10 = 47,119,084.20/x
  3. Step 3: Cross multiply
    98,263,391.40x = 147,395,087.10 × 47,119,084.20
  4. Step 4: Simplify right side
    98,263,391.40x = 6,945,121,519,731,234
  5. Step 5: Solve for x
    x = 6,945,121,519,731,234/98,263,391.40
  6. Step 6: Final answer
    x = 70,678,626.30

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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.