Home / 131,655,695,789.68-181,681,769,878.88-77,465,754,368.80

Finding the Fourth Proportional to 131,655,695,789.68, 181,681,769,878.88 and 77,465,754,368.80

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Solution

The fourth proportional to 131,655,695,789.68, 181,681,769,878.88 and 77,465,754,368.80 is: 106,900,922,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,655,695,789.68 : 181,681,769,878.88 = 77,465,754,368.80 : x
  2. Step 2: Convert to fraction form
    131,655,695,789.68/181,681,769,878.88 = 77,465,754,368.80/x
  3. Step 3: Cross multiply
    131,655,695,789.68x = 181,681,769,878.88 × 77,465,754,368.80
  4. Step 4: Simplify right side
    131,655,695,789.68x = 14,074,115,358,726,165,626,880
  5. Step 5: Solve for x
    x = 14,074,115,358,726,165,626,880/131,655,695,789.68
  6. Step 6: Final answer
    x = 106,900,922,700.75

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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.