Home / 100,316,734,422.84-138,437,116,100.17-55,206,461,234.88

Finding the Fourth Proportional to 100,316,734,422.84, 138,437,116,100.17 and 55,206,461,234.88

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Solution

The fourth proportional to 100,316,734,422.84, 138,437,116,100.17 and 55,206,461,234.88 is: 76,184,928,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,316,734,422.84 : 138,437,116,100.17 = 55,206,461,234.88 : x
  2. Step 2: Convert to fraction form
    100,316,734,422.84/138,437,116,100.17 = 55,206,461,234.88/x
  3. Step 3: Cross multiply
    100,316,734,422.84x = 138,437,116,100.17 × 55,206,461,234.88
  4. Step 4: Simplify right side
    100,316,734,422.84x = 7,642,623,283,452,617,687,040
  5. Step 5: Solve for x
    x = 7,642,623,283,452,617,687,040/100,316,734,422.84
  6. Step 6: Final answer
    x = 76,184,928,939.56

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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.