Home / 66,428,202.45-99,684,294.08-39,134,442.45

Finding the Fourth Proportional to 66,428,202.45, 99,684,294.08 and 39,134,442.45

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Solution

The fourth proportional to 66,428,202.45, 99,684,294.08 and 39,134,442.45 is: 58,726,401.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,202.45 : 99,684,294.08 = 39,134,442.45 : x
  2. Step 2: Convert to fraction form
    66,428,202.45/99,684,294.08 = 39,134,442.45/x
  3. Step 3: Cross multiply
    66,428,202.45x = 99,684,294.08 × 39,134,442.45
  4. Step 4: Simplify right side
    66,428,202.45x = 3,901,089,269,646,964
  5. Step 5: Solve for x
    x = 3,901,089,269,646,964/66,428,202.45
  6. Step 6: Final answer
    x = 58,726,401.22

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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.