Home / 133,134,149.60-199,701,224.40-87,217,647.20

Finding the Fourth Proportional to 133,134,149.60, 199,701,224.40 and 87,217,647.20

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Solution

The fourth proportional to 133,134,149.60, 199,701,224.40 and 87,217,647.20 is: 130,826,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,134,149.60 : 199,701,224.40 = 87,217,647.20 : x
  2. Step 2: Convert to fraction form
    133,134,149.60/199,701,224.40 = 87,217,647.20/x
  3. Step 3: Cross multiply
    133,134,149.60x = 199,701,224.40 × 87,217,647.20
  4. Step 4: Simplify right side
    133,134,149.60x = 17,417,470,935,127,232
  5. Step 5: Solve for x
    x = 17,417,470,935,127,232/133,134,149.60
  6. Step 6: Final answer
    x = 130,826,470.80

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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.