Home / 225,943,778.29-311,807,018.55-126,831,672.04

Finding the Fourth Proportional to 225,943,778.29, 311,807,018.55 and 126,831,672.04

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Solution

The fourth proportional to 225,943,778.29, 311,807,018.55 and 126,831,672.04 is: 175,030,292.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,943,778.29 : 311,807,018.55 = 126,831,672.04 : x
  2. Step 2: Convert to fraction form
    225,943,778.29/311,807,018.55 = 126,831,672.04/x
  3. Step 3: Cross multiply
    225,943,778.29x = 311,807,018.55 × 126,831,672.04
  4. Step 4: Simplify right side
    225,943,778.29x = 39,547,005,516,503,800
  5. Step 5: Solve for x
    x = 39,547,005,516,503,800/225,943,778.29
  6. Step 6: Final answer
    x = 175,030,292.12

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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.