Home / 113,870,721.20-170,828,200.20-49,174,401.20

Finding the Fourth Proportional to 113,870,721.20, 170,828,200.20 and 49,174,401.20

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Solution

The fourth proportional to 113,870,721.20, 170,828,200.20 and 49,174,401.20 is: 73,771,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,870,721.20 : 170,828,200.20 = 49,174,401.20 : x
  2. Step 2: Convert to fraction form
    113,870,721.20/170,828,200.20 = 49,174,401.20/x
  3. Step 3: Cross multiply
    113,870,721.20x = 170,828,200.20 × 49,174,401.20
  4. Step 4: Simplify right side
    113,870,721.20x = 8,400,374,452,908,720
  5. Step 5: Solve for x
    x = 8,400,374,452,908,720/113,870,721.20
  6. Step 6: Final answer
    x = 73,771,153.50

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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.