Home / 87,426,075.80-131,154,860.10-36,313,261.40

Finding the Fourth Proportional to 87,426,075.80, 131,154,860.10 and 36,313,261.40

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Solution

The fourth proportional to 87,426,075.80, 131,154,860.10 and 36,313,261.40 is: 54,476,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,426,075.80 : 131,154,860.10 = 36,313,261.40 : x
  2. Step 2: Convert to fraction form
    87,426,075.80/131,154,860.10 = 36,313,261.40/x
  3. Step 3: Cross multiply
    87,426,075.80x = 131,154,860.10 × 36,313,261.40
  4. Step 4: Simplify right side
    87,426,075.80x = 4,762,660,718,691,730
  5. Step 5: Solve for x
    x = 4,762,660,718,691,730/87,426,075.80
  6. Step 6: Final answer
    x = 54,476,432.52

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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.