Home / 82,947,219.10-124,420,828.65-25,448,364.70

Finding the Fourth Proportional to 82,947,219.10, 124,420,828.65 and 25,448,364.70

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Solution

The fourth proportional to 82,947,219.10, 124,420,828.65 and 25,448,364.70 is: 38,172,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947,219.10 : 124,420,828.65 = 25,448,364.70 : x
  2. Step 2: Convert to fraction form
    82,947,219.10/124,420,828.65 = 25,448,364.70/x
  3. Step 3: Cross multiply
    82,947,219.10x = 124,420,828.65 × 25,448,364.70
  4. Step 4: Simplify right side
    82,947,219.10x = 3,166,306,623,761,408.50
  5. Step 5: Solve for x
    x = 3,166,306,623,761,408.50/82,947,219.10
  6. Step 6: Final answer
    x = 38,172,547.05

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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.