Home / 239,032,351.80-329,865,389.40-138,580,368.60

Finding the Fourth Proportional to 239,032,351.80, 329,865,389.40 and 138,580,368.60

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Solution

The fourth proportional to 239,032,351.80, 329,865,389.40 and 138,580,368.60 is: 191,241,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,032,351.80 : 329,865,389.40 = 138,580,368.60 : x
  2. Step 2: Convert to fraction form
    239,032,351.80/329,865,389.40 = 138,580,368.60/x
  3. Step 3: Cross multiply
    239,032,351.80x = 329,865,389.40 × 138,580,368.60
  4. Step 4: Simplify right side
    239,032,351.80x = 45,712,867,251,434,528
  5. Step 5: Solve for x
    x = 45,712,867,251,434,528/239,032,351.80
  6. Step 6: Final answer
    x = 191,241,339.96

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Why These Related Problems?

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