Home / 143,764,010.90-215,646,016.35-57,564,280.70

Finding the Fourth Proportional to 143,764,010.90, 215,646,016.35 and 57,564,280.70

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Solution

The fourth proportional to 143,764,010.90, 215,646,016.35 and 57,564,280.70 is: 86,346,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,764,010.90 : 215,646,016.35 = 57,564,280.70 : x
  2. Step 2: Convert to fraction form
    143,764,010.90/215,646,016.35 = 57,564,280.70/x
  3. Step 3: Cross multiply
    143,764,010.90x = 215,646,016.35 × 57,564,280.70
  4. Step 4: Simplify right side
    143,764,010.90x = 12,413,507,817,008,190
  5. Step 5: Solve for x
    x = 12,413,507,817,008,190/143,764,010.90
  6. Step 6: Final answer
    x = 86,346,421.05

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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.