Home / 88,125,129,488.40-121,613,090,530.35-50,065,424,924.70

Finding the Fourth Proportional to 88,125,129,488.40, 121,613,090,530.35 and 50,065,424,924.70

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Solution

The fourth proportional to 88,125,129,488.40, 121,613,090,530.35 and 50,065,424,924.70 is: 69,090,520,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125,129,488.40 : 121,613,090,530.35 = 50,065,424,924.70 : x
  2. Step 2: Convert to fraction form
    88,125,129,488.40/121,613,090,530.35 = 50,065,424,924.70/x
  3. Step 3: Cross multiply
    88,125,129,488.40x = 121,613,090,530.35 × 50,065,424,924.70
  4. Step 4: Simplify right side
    88,125,129,488.40x = 6,088,611,053,807,982,346,240
  5. Step 5: Solve for x
    x = 6,088,611,053,807,982,346,240/88,125,129,488.40
  6. Step 6: Final answer
    x = 69,090,520,367.51

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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.