Home / 112,598,390.39-155,339,600.45-68,510,045.03

Finding the Fourth Proportional to 112,598,390.39, 155,339,600.45 and 68,510,045.03

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Solution

The fourth proportional to 112,598,390.39, 155,339,600.45 and 68,510,045.03 is: 94,515,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,598,390.39 : 155,339,600.45 = 68,510,045.03 : x
  2. Step 2: Convert to fraction form
    112,598,390.39/155,339,600.45 = 68,510,045.03/x
  3. Step 3: Cross multiply
    112,598,390.39x = 155,339,600.45 × 68,510,045.03
  4. Step 4: Simplify right side
    112,598,390.39x = 10,642,323,020,652,460
  5. Step 5: Solve for x
    x = 10,642,323,020,652,460/112,598,390.39
  6. Step 6: Final answer
    x = 94,515,765.14

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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.