Home / 164,989,296.20-247,483,944.30-74,290,032.20

Finding the Fourth Proportional to 164,989,296.20, 247,483,944.30 and 74,290,032.20

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Solution

The fourth proportional to 164,989,296.20, 247,483,944.30 and 74,290,032.20 is: 111,435,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,989,296.20 : 247,483,944.30 = 74,290,032.20 : x
  2. Step 2: Convert to fraction form
    164,989,296.20/247,483,944.30 = 74,290,032.20/x
  3. Step 3: Cross multiply
    164,989,296.20x = 247,483,944.30 × 74,290,032.20
  4. Step 4: Simplify right side
    164,989,296.20x = 18,385,590,191,030,008
  5. Step 5: Solve for x
    x = 18,385,590,191,030,008/164,989,296.20
  6. Step 6: Final answer
    x = 111,435,048.30

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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.