Home / 112,371,045.20-155,084,627.40-63,481,622.48

Finding the Fourth Proportional to 112,371,045.20, 155,084,627.40 and 63,481,622.48

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Solution

The fourth proportional to 112,371,045.20, 155,084,627.40 and 63,481,622.48 is: 87,611,748.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,371,045.20 : 155,084,627.40 = 63,481,622.48 : x
  2. Step 2: Convert to fraction form
    112,371,045.20/155,084,627.40 = 63,481,622.48/x
  3. Step 3: Cross multiply
    112,371,045.20x = 155,084,627.40 × 63,481,622.48
  4. Step 4: Simplify right side
    112,371,045.20x = 9,845,023,769,058,264
  5. Step 5: Solve for x
    x = 9,845,023,769,058,264/112,371,045.20
  6. Step 6: Final answer
    x = 87,611,748.66

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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.