Home / 74,445,010.02-102,812,436.81-66,329,820.90

Finding the Fourth Proportional to 74,445,010.02, 102,812,436.81 and 66,329,820.90

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Solution

The fourth proportional to 74,445,010.02, 102,812,436.81 and 66,329,820.90 is: 91,604,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445,010.02 : 102,812,436.81 = 66,329,820.90 : x
  2. Step 2: Convert to fraction form
    74,445,010.02/102,812,436.81 = 66,329,820.90/x
  3. Step 3: Cross multiply
    74,445,010.02x = 102,812,436.81 × 66,329,820.90
  4. Step 4: Simplify right side
    74,445,010.02x = 6,819,530,519,899,867
  5. Step 5: Solve for x
    x = 6,819,530,519,899,867/74,445,010.02
  6. Step 6: Final answer
    x = 91,604,937.90

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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.