Home / 147,055,717.60-220,158,423.60-142,804,189.60

Finding the Fourth Proportional to 147,055,717.60, 220,158,423.60 and 142,804,189.60

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Solution

The fourth proportional to 147,055,717.60, 220,158,423.60 and 142,804,189.60 is: 213,793,423.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055,717.60 : 220,158,423.60 = 142,804,189.60 : x
  2. Step 2: Convert to fraction form
    147,055,717.60/220,158,423.60 = 142,804,189.60/x
  3. Step 3: Cross multiply
    147,055,717.60x = 220,158,423.60 × 142,804,189.60
  4. Step 4: Simplify right side
    147,055,717.60x = 31,439,545,265,811,512
  5. Step 5: Solve for x
    x = 31,439,545,265,811,512/147,055,717.60
  6. Step 6: Final answer
    x = 213,793,423.19

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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.