Home / 115,443,366.40-172,923,604.80-54,084,894.40

Finding the Fourth Proportional to 115,443,366.40, 172,923,604.80 and 54,084,894.40

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Solution

The fourth proportional to 115,443,366.40, 172,923,604.80 and 54,084,894.40 is: 81,014,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443,366.40 : 172,923,604.80 = 54,084,894.40 : x
  2. Step 2: Convert to fraction form
    115,443,366.40/172,923,604.80 = 54,084,894.40/x
  3. Step 3: Cross multiply
    115,443,366.40x = 172,923,604.80 × 54,084,894.40
  4. Step 4: Simplify right side
    115,443,366.40x = 9,352,554,904,875,334
  5. Step 5: Solve for x
    x = 9,352,554,904,875,334/115,443,366.40
  6. Step 6: Final answer
    x = 81,014,225.39

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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.