Home / 131,655,695,785.68-181,681,769,873.34-77,465,754,364.80

Finding the Fourth Proportional to 131,655,695,785.68, 181,681,769,873.34 and 77,465,754,364.80

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Solution

The fourth proportional to 131,655,695,785.68, 181,681,769,873.34 and 77,465,754,364.80 is: 106,900,922,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,655,695,785.68 : 181,681,769,873.34 = 77,465,754,364.80 : x
  2. Step 2: Convert to fraction form
    131,655,695,785.68/181,681,769,873.34 = 77,465,754,364.80/x
  3. Step 3: Cross multiply
    131,655,695,785.68x = 181,681,769,873.34 × 77,465,754,364.80
  4. Step 4: Simplify right side
    131,655,695,785.68x = 14,074,115,357,570,278,359,040
  5. Step 5: Solve for x
    x = 14,074,115,357,570,278,359,040/131,655,695,785.68
  6. Step 6: Final answer
    x = 106,900,922,695.22

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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.