Home / 71,939,369.63-107,862,657.02-28,224,546.11

Finding the Fourth Proportional to 71,939,369.63, 107,862,657.02 and 28,224,546.11

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Solution

The fourth proportional to 71,939,369.63, 107,862,657.02 and 28,224,546.11 is: 42,318,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,369.63 : 107,862,657.02 = 28,224,546.11 : x
  2. Step 2: Convert to fraction form
    71,939,369.63/107,862,657.02 = 28,224,546.11/x
  3. Step 3: Cross multiply
    71,939,369.63x = 107,862,657.02 × 28,224,546.11
  4. Step 4: Simplify right side
    71,939,369.63x = 3,044,374,535,927,669
  5. Step 5: Solve for x
    x = 3,044,374,535,927,669/71,939,369.63
  6. Step 6: Final answer
    x = 42,318,615.69

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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.