Home / 195,713,576.20-270,085,802.87-115,249,078.54

Finding the Fourth Proportional to 195,713,576.20, 270,085,802.87 and 115,249,078.54

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Solution

The fourth proportional to 195,713,576.20, 270,085,802.87 and 115,249,078.54 is: 159,044,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,713,576.20 : 270,085,802.87 = 115,249,078.54 : x
  2. Step 2: Convert to fraction form
    195,713,576.20/270,085,802.87 = 115,249,078.54/x
  3. Step 3: Cross multiply
    195,713,576.20x = 270,085,802.87 × 115,249,078.54
  4. Step 4: Simplify right side
    195,713,576.20x = 31,127,139,907,116,496
  5. Step 5: Solve for x
    x = 31,127,139,907,116,496/195,713,576.20
  6. Step 6: Final answer
    x = 159,044,357.13

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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.