Home / 314,928,510.30-472,392,765.45-161,590,067.10

Finding the Fourth Proportional to 314,928,510.30, 472,392,765.45 and 161,590,067.10

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Solution

The fourth proportional to 314,928,510.30, 472,392,765.45 and 161,590,067.10 is: 242,385,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,510.30 : 472,392,765.45 = 161,590,067.10 : x
  2. Step 2: Convert to fraction form
    314,928,510.30/472,392,765.45 = 161,590,067.10/x
  3. Step 3: Cross multiply
    314,928,510.30x = 472,392,765.45 × 161,590,067.10
  4. Step 4: Simplify right side
    314,928,510.30x = 76,333,978,666,620,064
  5. Step 5: Solve for x
    x = 76,333,978,666,620,064/314,928,510.30
  6. Step 6: Final answer
    x = 242,385,100.65

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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.