Home / 153,308,462.40-211,568,879.88-83,696,777.28

Finding the Fourth Proportional to 153,308,462.40, 211,568,879.88 and 83,696,777.28

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Solution

The fourth proportional to 153,308,462.40, 211,568,879.88 and 83,696,777.28 is: 115,503,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,308,462.40 : 211,568,879.88 = 83,696,777.28 : x
  2. Step 2: Convert to fraction form
    153,308,462.40/211,568,879.88 = 83,696,777.28/x
  3. Step 3: Cross multiply
    153,308,462.40x = 211,568,879.88 × 83,696,777.28
  4. Step 4: Simplify right side
    153,308,462.40x = 17,707,633,418,695,432
  5. Step 5: Solve for x
    x = 17,707,633,418,695,432/153,308,462.40
  6. Step 6: Final answer
    x = 115,503,300.61

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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.