Home / 76,502,718.36-114,755,323.14-21,915,091.74

Finding the Fourth Proportional to 76,502,718.36, 114,755,323.14 and 21,915,091.74

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Solution

The fourth proportional to 76,502,718.36, 114,755,323.14 and 21,915,091.74 is: 32,872,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,502,718.36 : 114,755,323.14 = 21,915,091.74 : x
  2. Step 2: Convert to fraction form
    76,502,718.36/114,755,323.14 = 21,915,091.74/x
  3. Step 3: Cross multiply
    76,502,718.36x = 114,755,323.14 × 21,915,091.74
  4. Step 4: Simplify right side
    76,502,718.36x = 2,514,873,434,266,444.50
  5. Step 5: Solve for x
    x = 2,514,873,434,266,444.50/76,502,718.36
  6. Step 6: Final answer
    x = 32,872,994.43

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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.