Home / 69,348,483.32-104,037,632.79-20,165,191.35

Finding the Fourth Proportional to 69,348,483.32, 104,037,632.79 and 20,165,191.35

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Solution

The fourth proportional to 69,348,483.32, 104,037,632.79 and 20,165,191.35 is: 30,252,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,348,483.32 : 104,037,632.79 = 20,165,191.35 : x
  2. Step 2: Convert to fraction form
    69,348,483.32/104,037,632.79 = 20,165,191.35/x
  3. Step 3: Cross multiply
    69,348,483.32x = 104,037,632.79 × 20,165,191.35
  4. Step 4: Simplify right side
    69,348,483.32x = 2,097,938,773,393,687.50
  5. Step 5: Solve for x
    x = 2,097,938,773,393,687.50/69,348,483.32
  6. Step 6: Final answer
    x = 30,252,121.94

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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.