Home / 105,587,594,597.78-145,713,642,134.12-57,418,455,057.12

Finding the Fourth Proportional to 105,587,594,597.78, 145,713,642,134.12 and 57,418,455,057.12

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Solution

The fourth proportional to 105,587,594,597.78, 145,713,642,134.12 and 57,418,455,057.12 is: 79,238,969,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587,594,597.78 : 145,713,642,134.12 = 57,418,455,057.12 : x
  2. Step 2: Convert to fraction form
    105,587,594,597.78/145,713,642,134.12 = 57,418,455,057.12/x
  3. Step 3: Cross multiply
    105,587,594,597.78x = 145,713,642,134.12 × 57,418,455,057.12
  4. Step 4: Simplify right side
    105,587,594,597.78x = 8,366,652,212,087,236,853,760
  5. Step 5: Solve for x
    x = 8,366,652,212,087,236,853,760/105,587,594,597.78
  6. Step 6: Final answer
    x = 79,238,969,728.96

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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.