Home / 118,613,603.88-163,681,990.92-69,055,403.85

Finding the Fourth Proportional to 118,613,603.88, 163,681,990.92 and 69,055,403.85

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Solution

The fourth proportional to 118,613,603.88, 163,681,990.92 and 69,055,403.85 is: 95,293,673.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613,603.88 : 163,681,990.92 = 69,055,403.85 : x
  2. Step 2: Convert to fraction form
    118,613,603.88/163,681,990.92 = 69,055,403.85/x
  3. Step 3: Cross multiply
    118,613,603.88x = 163,681,990.92 × 69,055,403.85
  4. Step 4: Simplify right side
    118,613,603.88x = 11,303,125,985,952,632
  5. Step 5: Solve for x
    x = 11,303,125,985,952,632/118,613,603.88
  6. Step 6: Final answer
    x = 95,293,673.04

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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.