Home / 86,249,679.62-129,377,145.81-33,725,253.80

Finding the Fourth Proportional to 86,249,679.62, 129,377,145.81 and 33,725,253.80

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Solution

The fourth proportional to 86,249,679.62, 129,377,145.81 and 33,725,253.80 is: 50,588,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,249,679.62 : 129,377,145.81 = 33,725,253.80 : x
  2. Step 2: Convert to fraction form
    86,249,679.62/129,377,145.81 = 33,725,253.80/x
  3. Step 3: Cross multiply
    86,249,679.62x = 129,377,145.81 × 33,725,253.80
  4. Step 4: Simplify right side
    86,249,679.62x = 4,363,277,078,361,856.50
  5. Step 5: Solve for x
    x = 4,363,277,078,361,856.50/86,249,679.62
  6. Step 6: Final answer
    x = 50,588,907.66

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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.