Home / 239,167,342.40-330,050,936.66-129,159,055.40

Finding the Fourth Proportional to 239,167,342.40, 330,050,936.66 and 129,159,055.40

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Solution

The fourth proportional to 239,167,342.40, 330,050,936.66 and 129,159,055.40 is: 178,239,498.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,167,342.40 : 330,050,936.66 = 129,159,055.40 : x
  2. Step 2: Convert to fraction form
    239,167,342.40/330,050,936.66 = 129,159,055.40/x
  3. Step 3: Cross multiply
    239,167,342.40x = 330,050,936.66 × 129,159,055.40
  4. Step 4: Simplify right side
    239,167,342.40x = 42,629,067,210,594,776
  5. Step 5: Solve for x
    x = 42,629,067,210,594,776/239,167,342.40
  6. Step 6: Final answer
    x = 178,239,498.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.