Home / 298,926,731.80-448,390,097.70-137,683,595.80

Finding the Fourth Proportional to 298,926,731.80, 448,390,097.70 and 137,683,595.80

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Solution

The fourth proportional to 298,926,731.80, 448,390,097.70 and 137,683,595.80 is: 206,525,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,926,731.80 : 448,390,097.70 = 137,683,595.80 : x
  2. Step 2: Convert to fraction form
    298,926,731.80/448,390,097.70 = 137,683,595.80/x
  3. Step 3: Cross multiply
    298,926,731.80x = 448,390,097.70 × 137,683,595.80
  4. Step 4: Simplify right side
    298,926,731.80x = 61,735,960,972,449,312
  5. Step 5: Solve for x
    x = 61,735,960,972,449,312/298,926,731.80
  6. Step 6: Final answer
    x = 206,525,393.70

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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.