Home / 147,585,418.20-221,472,605.70-86,174,458.20

Finding the Fourth Proportional to 147,585,418.20, 221,472,605.70 and 86,174,458.20

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Solution

The fourth proportional to 147,585,418.20, 221,472,605.70 and 86,174,458.20 is: 129,316,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,585,418.20 : 221,472,605.70 = 86,174,458.20 : x
  2. Step 2: Convert to fraction form
    147,585,418.20/221,472,605.70 = 86,174,458.20/x
  3. Step 3: Cross multiply
    147,585,418.20x = 221,472,605.70 × 86,174,458.20
  4. Step 4: Simplify right side
    147,585,418.20x = 19,085,281,802,339,732
  5. Step 5: Solve for x
    x = 19,085,281,802,339,732/147,585,418.20
  6. Step 6: Final answer
    x = 129,316,852.81

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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.