Home / 201,134,082.60-301,701,123.90-71,887,631.40

Finding the Fourth Proportional to 201,134,082.60, 301,701,123.90 and 71,887,631.40

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Solution

The fourth proportional to 201,134,082.60, 301,701,123.90 and 71,887,631.40 is: 107,831,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,134,082.60 : 301,701,123.90 = 71,887,631.40 : x
  2. Step 2: Convert to fraction form
    201,134,082.60/301,701,123.90 = 71,887,631.40/x
  3. Step 3: Cross multiply
    201,134,082.60x = 301,701,123.90 × 71,887,631.40
  4. Step 4: Simplify right side
    201,134,082.60x = 21,688,579,187,888,932
  5. Step 5: Solve for x
    x = 21,688,579,187,888,932/201,134,082.60
  6. Step 6: Final answer
    x = 107,831,447.10

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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.