Home / 140,092,605.81-210,268,084.28-71,053,862.85

Finding the Fourth Proportional to 140,092,605.81, 210,268,084.28 and 71,053,862.85

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Solution

The fourth proportional to 140,092,605.81, 210,268,084.28 and 71,053,862.85 is: 106,646,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,605.81 : 210,268,084.28 = 71,053,862.85 : x
  2. Step 2: Convert to fraction form
    140,092,605.81/210,268,084.28 = 71,053,862.85/x
  3. Step 3: Cross multiply
    140,092,605.81x = 210,268,084.28 × 71,053,862.85
  4. Step 4: Simplify right side
    140,092,605.81x = 14,940,359,621,808,090
  5. Step 5: Solve for x
    x = 14,940,359,621,808,090/140,092,605.81
  6. Step 6: Final answer
    x = 106,646,311.10

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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.