Home / 247,390,930.20-370,991,916.90-74,810,386.20

Finding the Fourth Proportional to 247,390,930.20, 370,991,916.90 and 74,810,386.20

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Solution

The fourth proportional to 247,390,930.20, 370,991,916.90 and 74,810,386.20 is: 112,187,009.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,390,930.20 : 370,991,916.90 = 74,810,386.20 : x
  2. Step 2: Convert to fraction form
    247,390,930.20/370,991,916.90 = 74,810,386.20/x
  3. Step 3: Cross multiply
    247,390,930.20x = 370,991,916.90 × 74,810,386.20
  4. Step 4: Simplify right side
    247,390,930.20x = 27,754,048,580,367,308
  5. Step 5: Solve for x
    x = 27,754,048,580,367,308/247,390,930.20
  6. Step 6: Final answer
    x = 112,187,009.27

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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.