Home / 370,686,916.50-556,063,055.54-137,520,329.46

Finding the Fourth Proportional to 370,686,916.50, 556,063,055.54 and 137,520,329.46

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Solution

The fourth proportional to 370,686,916.50, 556,063,055.54 and 137,520,329.46 is: 206,292,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,686,916.50 : 556,063,055.54 = 137,520,329.46 : x
  2. Step 2: Convert to fraction form
    370,686,916.50/556,063,055.54 = 137,520,329.46/x
  3. Step 3: Cross multiply
    370,686,916.50x = 556,063,055.54 × 137,520,329.46
  4. Step 4: Simplify right side
    370,686,916.50x = 76,469,974,598,395,072
  5. Step 5: Solve for x
    x = 76,469,974,598,395,072/370,686,916.50
  6. Step 6: Final answer
    x = 206,292,618.36

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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.