Home / 168,435,246.70-252,652,870.05-143,776,384.30

Finding the Fourth Proportional to 168,435,246.70, 252,652,870.05 and 143,776,384.30

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Solution

The fourth proportional to 168,435,246.70, 252,652,870.05 and 143,776,384.30 is: 215,664,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,435,246.70 : 252,652,870.05 = 143,776,384.30 : x
  2. Step 2: Convert to fraction form
    168,435,246.70/252,652,870.05 = 143,776,384.30/x
  3. Step 3: Cross multiply
    168,435,246.70x = 252,652,870.05 × 143,776,384.30
  4. Step 4: Simplify right side
    168,435,246.70x = 36,325,516,138,806,768
  5. Step 5: Solve for x
    x = 36,325,516,138,806,768/168,435,246.70
  6. Step 6: Final answer
    x = 215,664,576.45

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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.