Home / 48,385,408.80-72,578,113.20-19,645,312.80

Finding the Fourth Proportional to 48,385,408.80, 72,578,113.20 and 19,645,312.80

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Solution

The fourth proportional to 48,385,408.80, 72,578,113.20 and 19,645,312.80 is: 29,467,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,408.80 : 72,578,113.20 = 19,645,312.80 : x
  2. Step 2: Convert to fraction form
    48,385,408.80/72,578,113.20 = 19,645,312.80/x
  3. Step 3: Cross multiply
    48,385,408.80x = 72,578,113.20 × 19,645,312.80
  4. Step 4: Simplify right side
    48,385,408.80x = 1,425,819,736,247,809
  5. Step 5: Solve for x
    x = 1,425,819,736,247,809/48,385,408.80
  6. Step 6: Final answer
    x = 29,467,969.20

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Double scale
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Similar ratio
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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.