Home / 142,928,151,822.13-197,244,386,514.61-77,826,148,118.94

Finding the Fourth Proportional to 142,928,151,822.13, 197,244,386,514.61 and 77,826,148,118.94

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Solution

The fourth proportional to 142,928,151,822.13, 197,244,386,514.61 and 77,826,148,118.94 is: 107,402,010,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928,151,822.13 : 197,244,386,514.61 = 77,826,148,118.94 : x
  2. Step 2: Convert to fraction form
    142,928,151,822.13/197,244,386,514.61 = 77,826,148,118.94/x
  3. Step 3: Cross multiply
    142,928,151,822.13x = 197,244,386,514.61 × 77,826,148,118.94
  4. Step 4: Simplify right side
    142,928,151,822.13x = 15,350,770,840,516,276,781,056
  5. Step 5: Solve for x
    x = 15,350,770,840,516,276,781,056/142,928,151,822.13
  6. Step 6: Final answer
    x = 107,402,010,344.47

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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.