Home / 222,535,123.20-307,116,854.52-123,447,817.53

Finding the Fourth Proportional to 222,535,123.20, 307,116,854.52 and 123,447,817.53

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Solution

The fourth proportional to 222,535,123.20, 307,116,854.52 and 123,447,817.53 is: 170,368,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,535,123.20 : 307,116,854.52 = 123,447,817.53 : x
  2. Step 2: Convert to fraction form
    222,535,123.20/307,116,854.52 = 123,447,817.53/x
  3. Step 3: Cross multiply
    222,535,123.20x = 307,116,854.52 × 123,447,817.53
  4. Step 4: Simplify right side
    222,535,123.20x = 37,912,905,417,172,512
  5. Step 5: Solve for x
    x = 37,912,905,417,172,512/222,535,123.20
  6. Step 6: Final answer
    x = 170,368,186.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.