Home / 131,655,695,901.57-181,681,770,033.06-77,465,754,480.69

Finding the Fourth Proportional to 131,655,695,901.57, 181,681,770,033.06 and 77,465,754,480.69

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Solution

The fourth proportional to 131,655,695,901.57, 181,681,770,033.06 and 77,465,754,480.69 is: 106,900,922,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,655,695,901.57 : 181,681,770,033.06 = 77,465,754,480.69 : x
  2. Step 2: Convert to fraction form
    131,655,695,901.57/181,681,770,033.06 = 77,465,754,480.69/x
  3. Step 3: Cross multiply
    131,655,695,901.57x = 181,681,770,033.06 × 77,465,754,480.69
  4. Step 4: Simplify right side
    131,655,695,901.57x = 14,074,115,390,998,208,053,248
  5. Step 5: Solve for x
    x = 14,074,115,390,998,208,053,248/131,655,695,901.57
  6. Step 6: Final answer
    x = 106,900,922,855.02

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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.