Home / 163,249,530.72-225,300,265.20-121,924,678.56

Finding the Fourth Proportional to 163,249,530.72, 225,300,265.20 and 121,924,678.56

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Solution

The fourth proportional to 163,249,530.72, 225,300,265.20 and 121,924,678.56 is: 168,267,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,249,530.72 : 225,300,265.20 = 121,924,678.56 : x
  2. Step 2: Convert to fraction form
    163,249,530.72/225,300,265.20 = 121,924,678.56/x
  3. Step 3: Cross multiply
    163,249,530.72x = 225,300,265.20 × 121,924,678.56
  4. Step 4: Simplify right side
    163,249,530.72x = 27,469,662,413,992,752
  5. Step 5: Solve for x
    x = 27,469,662,413,992,752/163,249,530.72
  6. Step 6: Final answer
    x = 168,267,941.06

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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.