Home / 77,213,363.33-115,819,952.04-19,705,640.65

Finding the Fourth Proportional to 77,213,363.33, 115,819,952.04 and 19,705,640.65

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Solution

The fourth proportional to 77,213,363.33, 115,819,952.04 and 19,705,640.65 is: 29,558,437.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213,363.33 : 115,819,952.04 = 19,705,640.65 : x
  2. Step 2: Convert to fraction form
    77,213,363.33/115,819,952.04 = 19,705,640.65/x
  3. Step 3: Cross multiply
    77,213,363.33x = 115,819,952.04 × 19,705,640.65
  4. Step 4: Simplify right side
    77,213,363.33x = 2,282,306,354,710,925
  5. Step 5: Solve for x
    x = 2,282,306,354,710,925/77,213,363.33
  6. Step 6: Final answer
    x = 29,558,437.25

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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.