Home / 66,961,566,187.20-100,442,349,280.80-19,793,839,096.80

Finding the Fourth Proportional to 66,961,566,187.20, 100,442,349,280.80 and 19,793,839,096.80

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Solution

The fourth proportional to 66,961,566,187.20, 100,442,349,280.80 and 19,793,839,096.80 is: 29,690,758,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961,566,187.20 : 100,442,349,280.80 = 19,793,839,096.80 : x
  2. Step 2: Convert to fraction form
    66,961,566,187.20/100,442,349,280.80 = 19,793,839,096.80/x
  3. Step 3: Cross multiply
    66,961,566,187.20x = 100,442,349,280.80 × 19,793,839,096.80
  4. Step 4: Simplify right side
    66,961,566,187.20x = 1,988,139,700,168,740,306,944
  5. Step 5: Solve for x
    x = 1,988,139,700,168,740,306,944/66,961,566,187.20
  6. Step 6: Final answer
    x = 29,690,758,645.20

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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.