Home / 83,496,298.20-125,496,389.70-72,410,832.60

Finding the Fourth Proportional to 83,496,298.20, 125,496,389.70 and 72,410,832.60

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Solution

The fourth proportional to 83,496,298.20, 125,496,389.70 and 72,410,832.60 is: 108,834,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,496,298.20 : 125,496,389.70 = 72,410,832.60 : x
  2. Step 2: Convert to fraction form
    83,496,298.20/125,496,389.70 = 72,410,832.60/x
  3. Step 3: Cross multiply
    83,496,298.20x = 125,496,389.70 × 72,410,832.60
  4. Step 4: Simplify right side
    83,496,298.20x = 9,087,298,066,471,064
  5. Step 5: Solve for x
    x = 9,087,298,066,471,064/83,496,298.20
  6. Step 6: Final answer
    x = 108,834,741.93

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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.