Home / 88,125,129,843.18-121,613,091,019.65-50,065,425,279.48

Finding the Fourth Proportional to 88,125,129,843.18, 121,613,091,019.65 and 50,065,425,279.48

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Solution

The fourth proportional to 88,125,129,843.18, 121,613,091,019.65 and 50,065,425,279.48 is: 69,090,520,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125,129,843.18 : 121,613,091,019.65 = 50,065,425,279.48 : x
  2. Step 2: Convert to fraction form
    88,125,129,843.18/121,613,091,019.65 = 50,065,425,279.48/x
  3. Step 3: Cross multiply
    88,125,129,843.18x = 121,613,091,019.65 × 50,065,425,279.48
  4. Step 4: Simplify right side
    88,125,129,843.18x = 6,088,611,121,450,887,151,616
  5. Step 5: Solve for x
    x = 6,088,611,121,450,887,151,616/88,125,129,843.18
  6. Step 6: Final answer
    x = 69,090,520,856.94

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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.