Home / 48,408,048.80-72,612,073.20-18,111,975.20

Finding the Fourth Proportional to 48,408,048.80, 72,612,073.20 and 18,111,975.20

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Solution

The fourth proportional to 48,408,048.80, 72,612,073.20 and 18,111,975.20 is: 27,167,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,408,048.80 : 72,612,073.20 = 18,111,975.20 : x
  2. Step 2: Convert to fraction form
    48,408,048.80/72,612,073.20 = 18,111,975.20/x
  3. Step 3: Cross multiply
    48,408,048.80x = 72,612,073.20 × 18,111,975.20
  4. Step 4: Simplify right side
    48,408,048.80x = 1,315,148,069,018,984.75
  5. Step 5: Solve for x
    x = 1,315,148,069,018,984.75/48,408,048.80
  6. Step 6: Final answer
    x = 27,167,962.80

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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.