Home / 83,820,267.70-125,730,401.55-73,742,571.70

Finding the Fourth Proportional to 83,820,267.70, 125,730,401.55 and 73,742,571.70

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Solution

The fourth proportional to 83,820,267.70, 125,730,401.55 and 73,742,571.70 is: 110,613,857.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,820,267.70 : 125,730,401.55 = 73,742,571.70 : x
  2. Step 2: Convert to fraction form
    83,820,267.70/125,730,401.55 = 73,742,571.70/x
  3. Step 3: Cross multiply
    83,820,267.70x = 125,730,401.55 × 73,742,571.70
  4. Step 4: Simplify right side
    83,820,267.70x = 9,271,683,151,170,666
  5. Step 5: Solve for x
    x = 9,271,683,151,170,666/83,820,267.70
  6. Step 6: Final answer
    x = 110,613,857.55

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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.