Home / 67,346,055.06-101,022,689.10-21,284,419.20

Finding the Fourth Proportional to 67,346,055.06, 101,022,689.10 and 21,284,419.20

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Solution

The fourth proportional to 67,346,055.06, 101,022,689.10 and 21,284,419.20 is: 31,927,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346,055.06 : 101,022,689.10 = 21,284,419.20 : x
  2. Step 2: Convert to fraction form
    67,346,055.06/101,022,689.10 = 21,284,419.20/x
  3. Step 3: Cross multiply
    67,346,055.06x = 101,022,689.10 × 21,284,419.20
  4. Step 4: Simplify right side
    67,346,055.06x = 2,150,209,263,515,670.50
  5. Step 5: Solve for x
    x = 2,150,209,263,515,670.50/67,346,055.06
  6. Step 6: Final answer
    x = 31,927,768.62

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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.