Home / 100,692,963,494.28-138,959,578,470.42-54,969,676,950.42

Finding the Fourth Proportional to 100,692,963,494.28, 138,959,578,470.42 and 54,969,676,950.42

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Solution

The fourth proportional to 100,692,963,494.28, 138,959,578,470.42 and 54,969,676,950.42 is: 75,859,949,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,692,963,494.28 : 138,959,578,470.42 = 54,969,676,950.42 : x
  2. Step 2: Convert to fraction form
    100,692,963,494.28/138,959,578,470.42 = 54,969,676,950.42/x
  3. Step 3: Cross multiply
    100,692,963,494.28x = 138,959,578,470.42 × 54,969,676,950.42
  4. Step 4: Simplify right side
    100,692,963,494.28x = 7,638,563,137,685,525,889,024
  5. Step 5: Solve for x
    x = 7,638,563,137,685,525,889,024/100,692,963,494.28
  6. Step 6: Final answer
    x = 75,859,949,619.21

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1.5x scale

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.