Home / 91,897,871.69-126,819,083.09-50,081,946.91

Finding the Fourth Proportional to 91,897,871.69, 126,819,083.09 and 50,081,946.91

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Solution

The fourth proportional to 91,897,871.69, 126,819,083.09 and 50,081,946.91 is: 69,113,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,897,871.69 : 126,819,083.09 = 50,081,946.91 : x
  2. Step 2: Convert to fraction form
    91,897,871.69/126,819,083.09 = 50,081,946.91/x
  3. Step 3: Cross multiply
    91,897,871.69x = 126,819,083.09 × 50,081,946.91
  4. Step 4: Simplify right side
    91,897,871.69x = 6,351,346,586,296,416
  5. Step 5: Solve for x
    x = 6,351,346,586,296,416/91,897,871.69
  6. Step 6: Final answer
    x = 69,113,097.72

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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.