Home / 68,086,656,429.30-102,129,984,643.95-36,740,990,790.90

Finding the Fourth Proportional to 68,086,656,429.30, 102,129,984,643.95 and 36,740,990,790.90

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Solution

The fourth proportional to 68,086,656,429.30, 102,129,984,643.95 and 36,740,990,790.90 is: 55,111,486,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086,656,429.30 : 102,129,984,643.95 = 36,740,990,790.90 : x
  2. Step 2: Convert to fraction form
    68,086,656,429.30/102,129,984,643.95 = 36,740,990,790.90/x
  3. Step 3: Cross multiply
    68,086,656,429.30x = 102,129,984,643.95 × 36,740,990,790.90
  4. Step 4: Simplify right side
    68,086,656,429.30x = 3,752,356,825,278,125,178,880
  5. Step 5: Solve for x
    x = 3,752,356,825,278,125,178,880/68,086,656,429.30
  6. Step 6: Final answer
    x = 55,111,486,186.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.