Home / 69,533,167.20-104,299,232.40-21,010,927.20

Finding the Fourth Proportional to 69,533,167.20, 104,299,232.40 and 21,010,927.20

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Solution

The fourth proportional to 69,533,167.20, 104,299,232.40 and 21,010,927.20 is: 31,516,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,533,167.20 : 104,299,232.40 = 21,010,927.20 : x
  2. Step 2: Convert to fraction form
    69,533,167.20/104,299,232.40 = 21,010,927.20/x
  3. Step 3: Cross multiply
    69,533,167.20x = 104,299,232.40 × 21,010,927.20
  4. Step 4: Simplify right side
    69,533,167.20x = 2,191,423,578,972,281.25
  5. Step 5: Solve for x
    x = 2,191,423,578,972,281.25/69,533,167.20
  6. Step 6: Final answer
    x = 31,516,234.15

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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.