Home / 114,859,540.13-158,519,565.87-65,307,338.51

Finding the Fourth Proportional to 114,859,540.13, 158,519,565.87 and 65,307,338.51

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Solution

The fourth proportional to 114,859,540.13, 158,519,565.87 and 65,307,338.51 is: 90,131,746.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,859,540.13 : 158,519,565.87 = 65,307,338.51 : x
  2. Step 2: Convert to fraction form
    114,859,540.13/158,519,565.87 = 65,307,338.51/x
  3. Step 3: Cross multiply
    114,859,540.13x = 158,519,565.87 × 65,307,338.51
  4. Step 4: Simplify right side
    114,859,540.13x = 10,352,490,948,403,796
  5. Step 5: Solve for x
    x = 10,352,490,948,403,796/114,859,540.13
  6. Step 6: Final answer
    x = 90,131,746.45

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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.