Home / 116,561,637.12-160,876,120.32-69,521,729.28

Finding the Fourth Proportional to 116,561,637.12, 160,876,120.32 and 69,521,729.28

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Solution

The fourth proportional to 116,561,637.12, 160,876,120.32 and 69,521,729.28 is: 95,952,548.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,561,637.12 : 160,876,120.32 = 69,521,729.28 : x
  2. Step 2: Convert to fraction form
    116,561,637.12/160,876,120.32 = 69,521,729.28/x
  3. Step 3: Cross multiply
    116,561,637.12x = 160,876,120.32 × 69,521,729.28
  4. Step 4: Simplify right side
    116,561,637.12x = 11,184,386,084,503,746
  5. Step 5: Solve for x
    x = 11,184,386,084,503,746/116,561,637.12
  6. Step 6: Final answer
    x = 95,952,548.03

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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.