Home / 102,085,336,319.76-140,941,342,329.11-64,984,743,110.16

Finding the Fourth Proportional to 102,085,336,319.76, 140,941,342,329.11 and 64,984,743,110.16

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Solution

The fourth proportional to 102,085,336,319.76, 140,941,342,329.11 and 64,984,743,110.16 is: 89,719,417,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,085,336,319.76 : 140,941,342,329.11 = 64,984,743,110.16 : x
  2. Step 2: Convert to fraction form
    102,085,336,319.76/140,941,342,329.11 = 64,984,743,110.16/x
  3. Step 3: Cross multiply
    102,085,336,319.76x = 140,941,342,329.11 × 64,984,743,110.16
  4. Step 4: Simplify right side
    102,085,336,319.76x = 9,159,036,924,858,332,086,272
  5. Step 5: Solve for x
    x = 9,159,036,924,858,332,086,272/102,085,336,319.76
  6. Step 6: Final answer
    x = 89,719,417,646.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.