Home / 143,856,053.70-215,784,080.55-130,676,316.90

Finding the Fourth Proportional to 143,856,053.70, 215,784,080.55 and 130,676,316.90

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Solution

The fourth proportional to 143,856,053.70, 215,784,080.55 and 130,676,316.90 is: 196,014,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,053.70 : 215,784,080.55 = 130,676,316.90 : x
  2. Step 2: Convert to fraction form
    143,856,053.70/215,784,080.55 = 130,676,316.90/x
  3. Step 3: Cross multiply
    143,856,053.70x = 215,784,080.55 × 130,676,316.90
  4. Step 4: Simplify right side
    143,856,053.70x = 28,197,868,891,926,928
  5. Step 5: Solve for x
    x = 28,197,868,891,926,928/143,856,053.70
  6. Step 6: Final answer
    x = 196,014,475.35

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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.