Home / 164,989,294.70-247,483,942.05-74,290,030.70

Finding the Fourth Proportional to 164,989,294.70, 247,483,942.05 and 74,290,030.70

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Solution

The fourth proportional to 164,989,294.70, 247,483,942.05 and 74,290,030.70 is: 111,435,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,294.70 : 247,483,942.05 = 74,290,030.70 : x
  2. Step 2: Convert to fraction form
    164,989,294.70/247,483,942.05 = 74,290,030.70/x
  3. Step 3: Cross multiply
    164,989,294.70x = 247,483,942.05 × 74,290,030.70
  4. Step 4: Simplify right side
    164,989,294.70x = 18,385,589,652,651,524
  5. Step 5: Solve for x
    x = 18,385,589,652,651,524/164,989,294.70
  6. Step 6: Final answer
    x = 111,435,046.05

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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.