Home / 68,086,656,458.80-102,129,984,688.20-36,740,990,820.40

Finding the Fourth Proportional to 68,086,656,458.80, 102,129,984,688.20 and 36,740,990,820.40

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Solution

The fourth proportional to 68,086,656,458.80, 102,129,984,688.20 and 36,740,990,820.40 is: 55,111,486,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,086,656,458.80 : 102,129,984,688.20 = 36,740,990,820.40 : x
  2. Step 2: Convert to fraction form
    68,086,656,458.80/102,129,984,688.20 = 36,740,990,820.40/x
  3. Step 3: Cross multiply
    68,086,656,458.80x = 102,129,984,688.20 × 36,740,990,820.40
  4. Step 4: Simplify right side
    68,086,656,458.80x = 3,752,356,829,916,748,578,816
  5. Step 5: Solve for x
    x = 3,752,356,829,916,748,578,816/68,086,656,458.80
  6. Step 6: Final answer
    x = 55,111,486,230.60

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1.5x scale

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.