Home / 119,776,042.80-179,664,064.20-39,005,175.60

Finding the Fourth Proportional to 119,776,042.80, 179,664,064.20 and 39,005,175.60

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Solution

The fourth proportional to 119,776,042.80, 179,664,064.20 and 39,005,175.60 is: 58,507,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,776,042.80 : 179,664,064.20 = 39,005,175.60 : x
  2. Step 2: Convert to fraction form
    119,776,042.80/179,664,064.20 = 39,005,175.60/x
  3. Step 3: Cross multiply
    119,776,042.80x = 179,664,064.20 × 39,005,175.60
  4. Step 4: Simplify right side
    119,776,042.80x = 7,007,828,373,130,673
  5. Step 5: Solve for x
    x = 7,007,828,373,130,673/119,776,042.80
  6. Step 6: Final answer
    x = 58,507,763.40

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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.