Home / 102,165,526.28-140,993,010.32-57,526,848.74

Finding the Fourth Proportional to 102,165,526.28, 140,993,010.32 and 57,526,848.74

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Solution

The fourth proportional to 102,165,526.28, 140,993,010.32 and 57,526,848.74 is: 79,389,632.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,165,526.28 : 140,993,010.32 = 57,526,848.74 : x
  2. Step 2: Convert to fraction form
    102,165,526.28/140,993,010.32 = 57,526,848.74/x
  3. Step 3: Cross multiply
    102,165,526.28x = 140,993,010.32 × 57,526,848.74
  4. Step 4: Simplify right side
    102,165,526.28x = 8,110,883,577,083,299
  5. Step 5: Solve for x
    x = 8,110,883,577,083,299/102,165,526.28
  6. Step 6: Final answer
    x = 79,389,632.42

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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.