Home / 108,752,087.51-150,081,128.66-66,960,262.65

Finding the Fourth Proportional to 108,752,087.51, 150,081,128.66 and 66,960,262.65

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Solution

The fourth proportional to 108,752,087.51, 150,081,128.66 and 66,960,262.65 is: 92,407,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,752,087.51 : 150,081,128.66 = 66,960,262.65 : x
  2. Step 2: Convert to fraction form
    108,752,087.51/150,081,128.66 = 66,960,262.65/x
  3. Step 3: Cross multiply
    108,752,087.51x = 150,081,128.66 × 66,960,262.65
  4. Step 4: Simplify right side
    108,752,087.51x = 10,049,471,793,547,242
  5. Step 5: Solve for x
    x = 10,049,471,793,547,242/108,752,087.51
  6. Step 6: Final answer
    x = 92,407,162.24

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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.