Home / 158,140,014.60-218,120,719.86-145,129,292.04

Finding the Fourth Proportional to 158,140,014.60, 218,120,719.86 and 145,129,292.04

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Solution

The fourth proportional to 158,140,014.60, 218,120,719.86 and 145,129,292.04 is: 200,175,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,140,014.60 : 218,120,719.86 = 145,129,292.04 : x
  2. Step 2: Convert to fraction form
    158,140,014.60/218,120,719.86 = 145,129,292.04/x
  3. Step 3: Cross multiply
    158,140,014.60x = 218,120,719.86 × 145,129,292.04
  4. Step 4: Simplify right side
    158,140,014.60x = 31,655,705,652,536,968
  5. Step 5: Solve for x
    x = 31,655,705,652,536,968/158,140,014.60
  6. Step 6: Final answer
    x = 200,175,178.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.