Home / 247,801,987.76-341,952,703.80-137,791,338.80

Finding the Fourth Proportional to 247,801,987.76, 341,952,703.80 and 137,791,338.80

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Solution

The fourth proportional to 247,801,987.76, 341,952,703.80 and 137,791,338.80 is: 190,144,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,801,987.76 : 341,952,703.80 = 137,791,338.80 : x
  2. Step 2: Convert to fraction form
    247,801,987.76/341,952,703.80 = 137,791,338.80/x
  3. Step 3: Cross multiply
    247,801,987.76x = 341,952,703.80 × 137,791,338.80
  4. Step 4: Simplify right side
    247,801,987.76x = 47,118,120,862,881,856
  5. Step 5: Solve for x
    x = 47,118,120,862,881,856/247,801,987.76
  6. Step 6: Final answer
    x = 190,144,240.93

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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.