Home / 60,482,075.20-90,723,112.80-54,246,500.80

Finding the Fourth Proportional to 60,482,075.20, 90,723,112.80 and 54,246,500.80

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Solution

The fourth proportional to 60,482,075.20, 90,723,112.80 and 54,246,500.80 is: 81,369,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482,075.20 : 90,723,112.80 = 54,246,500.80 : x
  2. Step 2: Convert to fraction form
    60,482,075.20/90,723,112.80 = 54,246,500.80/x
  3. Step 3: Cross multiply
    60,482,075.20x = 90,723,112.80 × 54,246,500.80
  4. Step 4: Simplify right side
    60,482,075.20x = 4,921,411,411,083,690
  5. Step 5: Solve for x
    x = 4,921,411,411,083,690/60,482,075.20
  6. Step 6: Final answer
    x = 81,369,751.20

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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.