Home / 235,665,547.20-325,195,153.92-131,253,333.12

Finding the Fourth Proportional to 235,665,547.20, 325,195,153.92 and 131,253,333.12

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Solution

The fourth proportional to 235,665,547.20, 325,195,153.92 and 131,253,333.12 is: 181,116,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,665,547.20 : 325,195,153.92 = 131,253,333.12 : x
  2. Step 2: Convert to fraction form
    235,665,547.20/325,195,153.92 = 131,253,333.12/x
  3. Step 3: Cross multiply
    235,665,547.20x = 325,195,153.92 × 131,253,333.12
  4. Step 4: Simplify right side
    235,665,547.20x = 42,682,947,866,471,440
  5. Step 5: Solve for x
    x = 42,682,947,866,471,440/235,665,547.20
  6. Step 6: Final answer
    x = 181,116,622.15

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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.