Home / 48,267,907.20-72,401,860.80-42,977,116.80

Finding the Fourth Proportional to 48,267,907.20, 72,401,860.80 and 42,977,116.80

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Solution

The fourth proportional to 48,267,907.20, 72,401,860.80 and 42,977,116.80 is: 64,465,675.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,267,907.20 : 72,401,860.80 = 42,977,116.80 : x
  2. Step 2: Convert to fraction form
    48,267,907.20/72,401,860.80 = 42,977,116.80/x
  3. Step 3: Cross multiply
    48,267,907.20x = 72,401,860.80 × 42,977,116.80
  4. Step 4: Simplify right side
    48,267,907.20x = 3,111,623,228,138,941
  5. Step 5: Solve for x
    x = 3,111,623,228,138,941/48,267,907.20
  6. Step 6: Final answer
    x = 64,465,675.20

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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.