Home / 91,702,942.22-126,550,882.18-49,887,918.66

Finding the Fourth Proportional to 91,702,942.22, 126,550,882.18 and 49,887,918.66

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Solution

The fourth proportional to 91,702,942.22, 126,550,882.18 and 49,887,918.66 is: 68,845,774.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702,942.22 : 126,550,882.18 = 49,887,918.66 : x
  2. Step 2: Convert to fraction form
    91,702,942.22/126,550,882.18 = 49,887,918.66/x
  3. Step 3: Cross multiply
    91,702,942.22x = 126,550,882.18 × 49,887,918.66
  4. Step 4: Simplify right side
    91,702,942.22x = 6,313,360,116,547,083
  5. Step 5: Solve for x
    x = 6,313,360,116,547,083/91,702,942.22
  6. Step 6: Final answer
    x = 68,845,774.89

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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.