Home / 80,570,031,557.12-111,186,989,218.89-43,948,944,971.78

Finding the Fourth Proportional to 80,570,031,557.12, 111,186,989,218.89 and 43,948,944,971.78

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Solution

The fourth proportional to 80,570,031,557.12, 111,186,989,218.89 and 43,948,944,971.78 is: 60,649,732,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,570,031,557.12 : 111,186,989,218.89 = 43,948,944,971.78 : x
  2. Step 2: Convert to fraction form
    80,570,031,557.12/111,186,989,218.89 = 43,948,944,971.78/x
  3. Step 3: Cross multiply
    80,570,031,557.12x = 111,186,989,218.89 × 43,948,944,971.78
  4. Step 4: Simplify right side
    80,570,031,557.12x = 4,886,550,870,759,226,474,496
  5. Step 5: Solve for x
    x = 4,886,550,870,759,226,474,496/80,570,031,557.12
  6. Step 6: Final answer
    x = 60,649,732,615.47

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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.