Home / 105,587,594,600.78-145,713,642,138.26-57,418,455,060.12

Finding the Fourth Proportional to 105,587,594,600.78, 145,713,642,138.26 and 57,418,455,060.12

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Solution

The fourth proportional to 105,587,594,600.78, 145,713,642,138.26 and 57,418,455,060.12 is: 79,238,969,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,587,594,600.78 : 145,713,642,138.26 = 57,418,455,060.12 : x
  2. Step 2: Convert to fraction form
    105,587,594,600.78/145,713,642,138.26 = 57,418,455,060.12/x
  3. Step 3: Cross multiply
    105,587,594,600.78x = 145,713,642,138.26 × 57,418,455,060.12
  4. Step 4: Simplify right side
    105,587,594,600.78x = 8,366,652,212,762,090,930,176
  5. Step 5: Solve for x
    x = 8,366,652,212,762,090,930,176/105,587,594,600.78
  6. Step 6: Final answer
    x = 79,238,969,733.10

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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.