Home / 142,949,378,082.40-214,424,067,123.60-130,565,905,237.60

Finding the Fourth Proportional to 142,949,378,082.40, 214,424,067,123.60 and 130,565,905,237.60

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Solution

The fourth proportional to 142,949,378,082.40, 214,424,067,123.60 and 130,565,905,237.60 is: 195,848,857,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,949,378,082.40 : 214,424,067,123.60 = 130,565,905,237.60 : x
  2. Step 2: Convert to fraction form
    142,949,378,082.40/214,424,067,123.60 = 130,565,905,237.60/x
  3. Step 3: Cross multiply
    142,949,378,082.40x = 214,424,067,123.60 × 130,565,905,237.60
  4. Step 4: Simplify right side
    142,949,378,082.40x = 27,996,472,428,720,742,727,680
  5. Step 5: Solve for x
    x = 27,996,472,428,720,742,727,680/142,949,378,082.40
  6. Step 6: Final answer
    x = 195,848,857,856.40

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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.