Home / 84,320,883,744.84-126,476,670,007.28-61,654,465,442.10

Finding the Fourth Proportional to 84,320,883,744.84, 126,476,670,007.28 and 61,654,465,442.10

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Solution

The fourth proportional to 84,320,883,744.84, 126,476,670,007.28 and 61,654,465,442.10 is: 92,478,294,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320,883,744.84 : 126,476,670,007.28 = 61,654,465,442.10 : x
  2. Step 2: Convert to fraction form
    84,320,883,744.84/126,476,670,007.28 = 61,654,465,442.10/x
  3. Step 3: Cross multiply
    84,320,883,744.84x = 126,476,670,007.28 × 61,654,465,442.10
  4. Step 4: Simplify right side
    84,320,883,744.84x = 7,797,851,480,195,730,505,728
  5. Step 5: Solve for x
    x = 7,797,851,480,195,730,505,728/84,320,883,744.84
  6. Step 6: Final answer
    x = 92,478,294,034.40

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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.