Home / 105,587,594,601.78-145,713,642,139.64-57,418,455,061.12

Finding the Fourth Proportional to 105,587,594,601.78, 145,713,642,139.64 and 57,418,455,061.12

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Solution

The fourth proportional to 105,587,594,601.78, 145,713,642,139.64 and 57,418,455,061.12 is: 79,238,969,734.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587,594,601.78 : 145,713,642,139.64 = 57,418,455,061.12 : x
  2. Step 2: Convert to fraction form
    105,587,594,601.78/145,713,642,139.64 = 57,418,455,061.12/x
  3. Step 3: Cross multiply
    105,587,594,601.78x = 145,713,642,139.64 × 57,418,455,061.12
  4. Step 4: Simplify right side
    105,587,594,601.78x = 8,366,652,212,987,041,939,456
  5. Step 5: Solve for x
    x = 8,366,652,212,987,041,939,456/105,587,594,601.78
  6. Step 6: Final answer
    x = 79,238,969,734.48

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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.