Home / 143,764,012.40-215,646,018.60-57,564,282.20

Finding the Fourth Proportional to 143,764,012.40, 215,646,018.60 and 57,564,282.20

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Solution

The fourth proportional to 143,764,012.40, 215,646,018.60 and 57,564,282.20 is: 86,346,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,764,012.40 : 215,646,018.60 = 57,564,282.20 : x
  2. Step 2: Convert to fraction form
    143,764,012.40/215,646,018.60 = 57,564,282.20/x
  3. Step 3: Cross multiply
    143,764,012.40x = 215,646,018.60 × 57,564,282.20
  4. Step 4: Simplify right side
    143,764,012.40x = 12,413,508,269,996,850
  5. Step 5: Solve for x
    x = 12,413,508,269,996,850/143,764,012.40
  6. Step 6: Final answer
    x = 86,346,423.30

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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.