Home / 115,289,920.80-172,934,881.20-110,314,058.40

Finding the Fourth Proportional to 115,289,920.80, 172,934,881.20 and 110,314,058.40

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Solution

The fourth proportional to 115,289,920.80, 172,934,881.20 and 110,314,058.40 is: 165,471,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,289,920.80 : 172,934,881.20 = 110,314,058.40 : x
  2. Step 2: Convert to fraction form
    115,289,920.80/172,934,881.20 = 110,314,058.40/x
  3. Step 3: Cross multiply
    115,289,920.80x = 172,934,881.20 × 110,314,058.40
  4. Step 4: Simplify right side
    115,289,920.80x = 19,077,148,584,093,860
  5. Step 5: Solve for x
    x = 19,077,148,584,093,860/115,289,920.80
  6. Step 6: Final answer
    x = 165,471,087.60

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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.