Home / 48,385,409.80-72,578,114.70-27,978,075.40

Finding the Fourth Proportional to 48,385,409.80, 72,578,114.70 and 27,978,075.40

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Solution

The fourth proportional to 48,385,409.80, 72,578,114.70 and 27,978,075.40 is: 41,967,113.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385,409.80 : 72,578,114.70 = 27,978,075.40 : x
  2. Step 2: Convert to fraction form
    48,385,409.80/72,578,114.70 = 27,978,075.40/x
  3. Step 3: Cross multiply
    48,385,409.80x = 72,578,114.70 × 27,978,075.40
  4. Step 4: Simplify right side
    48,385,409.80x = 2,030,595,965,466,448.25
  5. Step 5: Solve for x
    x = 2,030,595,965,466,448.25/48,385,409.80
  6. Step 6: Final answer
    x = 41,967,113.10

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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.