Home / 142,174,921,586.20-196,201,344,432.39-77,944,266,827.40

Finding the Fourth Proportional to 142,174,921,586.20, 196,201,344,432.39 and 77,944,266,827.40

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Solution

The fourth proportional to 142,174,921,586.20, 196,201,344,432.39 and 77,944,266,827.40 is: 107,563,062,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,174,921,586.20 : 196,201,344,432.39 = 77,944,266,827.40 : x
  2. Step 2: Convert to fraction form
    142,174,921,586.20/196,201,344,432.39 = 77,944,266,827.40/x
  3. Step 3: Cross multiply
    142,174,921,586.20x = 196,201,344,432.39 × 77,944,266,827.40
  4. Step 4: Simplify right side
    142,174,921,586.20x = 15,292,769,942,332,816,490,496
  5. Step 5: Solve for x
    x = 15,292,769,942,332,816,490,496/142,174,921,586.20
  6. Step 6: Final answer
    x = 107,563,062,259.62

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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.