Home / 107,675,999.55-161,513,999.33-42,989,788.35

Finding the Fourth Proportional to 107,675,999.55, 161,513,999.33 and 42,989,788.35

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Solution

The fourth proportional to 107,675,999.55, 161,513,999.33 and 42,989,788.35 is: 64,484,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,675,999.55 : 161,513,999.33 = 42,989,788.35 : x
  2. Step 2: Convert to fraction form
    107,675,999.55/161,513,999.33 = 42,989,788.35/x
  3. Step 3: Cross multiply
    107,675,999.55x = 161,513,999.33 × 42,989,788.35
  4. Step 4: Simplify right side
    107,675,999.55x = 6,943,452,646,543,793
  5. Step 5: Solve for x
    x = 6,943,452,646,543,793/107,675,999.55
  6. Step 6: Final answer
    x = 64,484,682.53

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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.