Home / 143,506,687.20-215,260,030.80-135,948,415.20

Finding the Fourth Proportional to 143,506,687.20, 215,260,030.80 and 135,948,415.20

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Solution

The fourth proportional to 143,506,687.20, 215,260,030.80 and 135,948,415.20 is: 203,922,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,506,687.20 : 215,260,030.80 = 135,948,415.20 : x
  2. Step 2: Convert to fraction form
    143,506,687.20/215,260,030.80 = 135,948,415.20/x
  3. Step 3: Cross multiply
    143,506,687.20x = 215,260,030.80 × 135,948,415.20
  4. Step 4: Simplify right side
    143,506,687.20x = 29,264,260,043,163,188
  5. Step 5: Solve for x
    x = 29,264,260,043,163,188/143,506,687.20
  6. Step 6: Final answer
    x = 203,922,622.80

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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.