Home / 142,174,921,585.20-196,201,344,431.01-77,944,266,826.40

Finding the Fourth Proportional to 142,174,921,585.20, 196,201,344,431.01 and 77,944,266,826.40

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Solution

The fourth proportional to 142,174,921,585.20, 196,201,344,431.01 and 77,944,266,826.40 is: 107,563,062,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,174,921,585.20 : 196,201,344,431.01 = 77,944,266,826.40 : x
  2. Step 2: Convert to fraction form
    142,174,921,585.20/196,201,344,431.01 = 77,944,266,826.40/x
  3. Step 3: Cross multiply
    142,174,921,585.20x = 196,201,344,431.01 × 77,944,266,826.40
  4. Step 4: Simplify right side
    142,174,921,585.20x = 15,292,769,942,028,073,041,920
  5. Step 5: Solve for x
    x = 15,292,769,942,028,073,041,920/142,174,921,585.20
  6. Step 6: Final answer
    x = 107,563,062,258.23

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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.