Home / 112,371,047.20-155,084,630.16-63,481,624.48

Finding the Fourth Proportional to 112,371,047.20, 155,084,630.16 and 63,481,624.48

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Solution

The fourth proportional to 112,371,047.20, 155,084,630.16 and 63,481,624.48 is: 87,611,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,047.20 : 155,084,630.16 = 63,481,624.48 : x
  2. Step 2: Convert to fraction form
    112,371,047.20/155,084,630.16 = 63,481,624.48/x
  3. Step 3: Cross multiply
    112,371,047.20x = 155,084,630.16 × 63,481,624.48
  4. Step 4: Simplify right side
    112,371,047.20x = 9,845,024,254,436,802
  5. Step 5: Solve for x
    x = 9,845,024,254,436,802/112,371,047.20
  6. Step 6: Final answer
    x = 87,611,751.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.