Home / 91,821,927.40-126,709,402.98-52,661,680.36

Finding the Fourth Proportional to 91,821,927.40, 126,709,402.98 and 52,661,680.36

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Solution

The fourth proportional to 91,821,927.40, 126,709,402.98 and 52,661,680.36 is: 72,670,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,821,927.40 : 126,709,402.98 = 52,661,680.36 : x
  2. Step 2: Convert to fraction form
    91,821,927.40/126,709,402.98 = 52,661,680.36/x
  3. Step 3: Cross multiply
    91,821,927.40x = 126,709,402.98 × 52,661,680.36
  4. Step 4: Simplify right side
    91,821,927.40x = 6,672,730,078,339,192
  5. Step 5: Solve for x
    x = 6,672,730,078,339,192/91,821,927.40
  6. Step 6: Final answer
    x = 72,670,333.41

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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.