Home / 402,862,699.35-604,294,015.95-111,729,819.06

Finding the Fourth Proportional to 402,862,699.35, 604,294,015.95 and 111,729,819.06

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Solution

The fourth proportional to 402,862,699.35, 604,294,015.95 and 111,729,819.06 is: 167,594,719.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,862,699.35 : 604,294,015.95 = 111,729,819.06 : x
  2. Step 2: Convert to fraction form
    402,862,699.35/604,294,015.95 = 111,729,819.06/x
  3. Step 3: Cross multiply
    402,862,699.35x = 604,294,015.95 × 111,729,819.06
  4. Step 4: Simplify right side
    402,862,699.35x = 67,517,661,061,134,264
  5. Step 5: Solve for x
    x = 67,517,661,061,134,264/402,862,699.35
  6. Step 6: Final answer
    x = 167,594,719.42

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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.