Home / 91,771,167-126,402,961.68-70,537,341

Finding the Fourth Proportional to 91,771,167, 126,402,961.68 and 70,537,341

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Solution

The fourth proportional to 91,771,167, 126,402,961.68 and 70,537,341 is: 97,156,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,771,167 : 126,402,961.68 = 70,537,341 : x
  2. Step 2: Convert to fraction form
    91,771,167/126,402,961.68 = 70,537,341/x
  3. Step 3: Cross multiply
    91,771,167x = 126,402,961.68 × 70,537,341
  4. Step 4: Simplify right side
    91,771,167x = 8,916,128,811,432,093
  5. Step 5: Solve for x
    x = 8,916,128,811,432,093/91,771,167
  6. Step 6: Final answer
    x = 97,156,101.45

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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.