Home / 66,961,566,007.20-100,442,349,010.80-60,142,965,400.80

Finding the Fourth Proportional to 66,961,566,007.20, 100,442,349,010.80 and 60,142,965,400.80

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Solution

The fourth proportional to 66,961,566,007.20, 100,442,349,010.80 and 60,142,965,400.80 is: 90,214,448,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961,566,007.20 : 100,442,349,010.80 = 60,142,965,400.80 : x
  2. Step 2: Convert to fraction form
    66,961,566,007.20/100,442,349,010.80 = 60,142,965,400.80/x
  3. Step 3: Cross multiply
    66,961,566,007.20x = 100,442,349,010.80 × 60,142,965,400.80
  4. Step 4: Simplify right side
    66,961,566,007.20x = 6,040,900,721,331,622,903,808
  5. Step 5: Solve for x
    x = 6,040,900,721,331,622,903,808/66,961,566,007.20
  6. Step 6: Final answer
    x = 90,214,448,101.20

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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.