Home / 68,086,656,388.80-102,129,984,583.20-36,740,990,750.40

Finding the Fourth Proportional to 68,086,656,388.80, 102,129,984,583.20 and 36,740,990,750.40

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Solution

The fourth proportional to 68,086,656,388.80, 102,129,984,583.20 and 36,740,990,750.40 is: 55,111,486,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086,656,388.80 : 102,129,984,583.20 = 36,740,990,750.40 : x
  2. Step 2: Convert to fraction form
    68,086,656,388.80/102,129,984,583.20 = 36,740,990,750.40/x
  3. Step 3: Cross multiply
    68,086,656,388.80x = 102,129,984,583.20 × 36,740,990,750.40
  4. Step 4: Simplify right side
    68,086,656,388.80x = 3,752,356,818,909,845,782,528
  5. Step 5: Solve for x
    x = 3,752,356,818,909,845,782,528/68,086,656,388.80
  6. Step 6: Final answer
    x = 55,111,486,125.60

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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.