Home / 83,820,247.20-125,730,370.80-73,742,551.20

Finding the Fourth Proportional to 83,820,247.20, 125,730,370.80 and 73,742,551.20

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Solution

The fourth proportional to 83,820,247.20, 125,730,370.80 and 73,742,551.20 is: 110,613,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820,247.20 : 125,730,370.80 = 73,742,551.20 : x
  2. Step 2: Convert to fraction form
    83,820,247.20/125,730,370.80 = 73,742,551.20/x
  3. Step 3: Cross multiply
    83,820,247.20x = 125,730,370.80 × 73,742,551.20
  4. Step 4: Simplify right side
    83,820,247.20x = 9,271,678,306,113,986
  5. Step 5: Solve for x
    x = 9,271,678,306,113,986/83,820,247.20
  6. Step 6: Final answer
    x = 110,613,826.80

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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.