Home / 143,869,494.60-215,835,734.70-71,121,126.60

Finding the Fourth Proportional to 143,869,494.60, 215,835,734.70 and 71,121,126.60

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Solution

The fourth proportional to 143,869,494.60, 215,835,734.70 and 71,121,126.60 is: 106,697,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,869,494.60 : 215,835,734.70 = 71,121,126.60 : x
  2. Step 2: Convert to fraction form
    143,869,494.60/215,835,734.70 = 71,121,126.60/x
  3. Step 3: Cross multiply
    143,869,494.60x = 215,835,734.70 × 71,121,126.60
  4. Step 4: Simplify right side
    143,869,494.60x = 15,350,480,612,402,710
  5. Step 5: Solve for x
    x = 15,350,480,612,402,710/143,869,494.60
  6. Step 6: Final answer
    x = 106,697,258.20

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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.