Home / 48,542,075.40-72,841,106.70-18,271,662.60

Finding the Fourth Proportional to 48,542,075.40, 72,841,106.70 and 18,271,662.60

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Solution

The fourth proportional to 48,542,075.40, 72,841,106.70 and 18,271,662.60 is: 27,418,030.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,542,075.40 : 72,841,106.70 = 18,271,662.60 : x
  2. Step 2: Convert to fraction form
    48,542,075.40/72,841,106.70 = 18,271,662.60/x
  3. Step 3: Cross multiply
    48,542,075.40x = 72,841,106.70 × 18,271,662.60
  4. Step 4: Simplify right side
    48,542,075.40x = 1,330,928,125,032,999.50
  5. Step 5: Solve for x
    x = 1,330,928,125,032,999.50/48,542,075.40
  6. Step 6: Final answer
    x = 27,418,030.94

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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.