Home / 178,547,517.06-246,395,447.28-100,231,222.02

Finding the Fourth Proportional to 178,547,517.06, 246,395,447.28 and 100,231,222.02

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Solution

The fourth proportional to 178,547,517.06, 246,395,447.28 and 100,231,222.02 is: 138,319,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,547,517.06 : 246,395,447.28 = 100,231,222.02 : x
  2. Step 2: Convert to fraction form
    178,547,517.06/246,395,447.28 = 100,231,222.02/x
  3. Step 3: Cross multiply
    178,547,517.06x = 246,395,447.28 × 100,231,222.02
  4. Step 4: Simplify right side
    178,547,517.06x = 24,696,516,781,038,884
  5. Step 5: Solve for x
    x = 24,696,516,781,038,884/178,547,517.06
  6. Step 6: Final answer
    x = 138,319,015.51

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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.