Home / 266,918,471.60-400,377,707.40-113,569,530.80

Finding the Fourth Proportional to 266,918,471.60, 400,377,707.40 and 113,569,530.80

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Solution

The fourth proportional to 266,918,471.60, 400,377,707.40 and 113,569,530.80 is: 170,354,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,918,471.60 : 400,377,707.40 = 113,569,530.80 : x
  2. Step 2: Convert to fraction form
    266,918,471.60/400,377,707.40 = 113,569,530.80/x
  3. Step 3: Cross multiply
    266,918,471.60x = 400,377,707.40 × 113,569,530.80
  4. Step 4: Simplify right side
    266,918,471.60x = 45,470,708,372,197,688
  5. Step 5: Solve for x
    x = 45,470,708,372,197,688/266,918,471.60
  6. Step 6: Final answer
    x = 170,354,296.20

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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.