Home / 247,072,390.98-340,958,860.29-137,064,103.98

Finding the Fourth Proportional to 247,072,390.98, 340,958,860.29 and 137,064,103.98

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Solution

The fourth proportional to 247,072,390.98, 340,958,860.29 and 137,064,103.98 is: 189,147,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,072,390.98 : 340,958,860.29 = 137,064,103.98 : x
  2. Step 2: Convert to fraction form
    247,072,390.98/340,958,860.29 = 137,064,103.98/x
  3. Step 3: Cross multiply
    247,072,390.98x = 340,958,860.29 × 137,064,103.98
  4. Step 4: Simplify right side
    247,072,390.98x = 46,733,220,679,690,856
  5. Step 5: Solve for x
    x = 46,733,220,679,690,856/247,072,390.98
  6. Step 6: Final answer
    x = 189,147,886.96

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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.