Home / 52,317,061.35-78,475,803.54-21,193,307.23

Finding the Fourth Proportional to 52,317,061.35, 78,475,803.54 and 21,193,307.23

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Solution

The fourth proportional to 52,317,061.35, 78,475,803.54 and 21,193,307.23 is: 31,790,046.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,317,061.35 : 78,475,803.54 = 21,193,307.23 : x
  2. Step 2: Convert to fraction form
    52,317,061.35/78,475,803.54 = 21,193,307.23/x
  3. Step 3: Cross multiply
    52,317,061.35x = 78,475,803.54 × 21,193,307.23
  4. Step 4: Simplify right side
    52,317,061.35x = 1,663,161,814,675,102.75
  5. Step 5: Solve for x
    x = 1,663,161,814,675,102.75/52,317,061.35
  6. Step 6: Final answer
    x = 31,790,046.53

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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.