Home / 121,489,603.65-182,242,486.26-42,696,581.34

Finding the Fourth Proportional to 121,489,603.65, 182,242,486.26 and 42,696,581.34

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Solution

The fourth proportional to 121,489,603.65, 182,242,486.26 and 42,696,581.34 is: 64,047,711.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,489,603.65 : 182,242,486.26 = 42,696,581.34 : x
  2. Step 2: Convert to fraction form
    121,489,603.65/182,242,486.26 = 42,696,581.34/x
  3. Step 3: Cross multiply
    121,489,603.65x = 182,242,486.26 × 42,696,581.34
  4. Step 4: Simplify right side
    121,489,603.65x = 7,781,131,138,203,923
  5. Step 5: Solve for x
    x = 7,781,131,138,203,923/121,489,603.65
  6. Step 6: Final answer
    x = 64,047,711.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.