Home / 220,063,697.40-330,095,546.10-155,493,615.90

Finding the Fourth Proportional to 220,063,697.40, 330,095,546.10 and 155,493,615.90

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Solution

The fourth proportional to 220,063,697.40, 330,095,546.10 and 155,493,615.90 is: 233,240,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063,697.40 : 330,095,546.10 = 155,493,615.90 : x
  2. Step 2: Convert to fraction form
    220,063,697.40/330,095,546.10 = 155,493,615.90/x
  3. Step 3: Cross multiply
    220,063,697.40x = 330,095,546.10 × 155,493,615.90
  4. Step 4: Simplify right side
    220,063,697.40x = 51,327,750,055,574,152
  5. Step 5: Solve for x
    x = 51,327,750,055,574,152/220,063,697.40
  6. Step 6: Final answer
    x = 233,240,423.85

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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.