Home / 91,771,165-126,402,958.92-70,537,339

Finding the Fourth Proportional to 91,771,165, 126,402,958.92 and 70,537,339

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Solution

The fourth proportional to 91,771,165, 126,402,958.92 and 70,537,339 is: 97,156,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771,165 : 126,402,958.92 = 70,537,339 : x
  2. Step 2: Convert to fraction form
    91,771,165/126,402,958.92 = 70,537,339/x
  3. Step 3: Cross multiply
    91,771,165x = 126,402,958.92 × 70,537,339
  4. Step 4: Simplify right side
    91,771,165x = 8,916,128,363,943,114
  5. Step 5: Solve for x
    x = 8,916,128,363,943,114/91,771,165
  6. Step 6: Final answer
    x = 97,156,098.69

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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.