Home / 143,856,046.20-215,784,069.30-130,676,309.40

Finding the Fourth Proportional to 143,856,046.20, 215,784,069.30 and 130,676,309.40

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Solution

The fourth proportional to 143,856,046.20, 215,784,069.30 and 130,676,309.40 is: 196,014,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,856,046.20 : 215,784,069.30 = 130,676,309.40 : x
  2. Step 2: Convert to fraction form
    143,856,046.20/215,784,069.30 = 130,676,309.40/x
  3. Step 3: Cross multiply
    143,856,046.20x = 215,784,069.30 × 130,676,309.40
  4. Step 4: Simplify right side
    143,856,046.20x = 28,197,865,803,437,844
  5. Step 5: Solve for x
    x = 28,197,865,803,437,844/143,856,046.20
  6. Step 6: Final answer
    x = 196,014,464.10

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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.