Home / 71,266,568.50-98,348,126.97-38,671,520.50

Finding the Fourth Proportional to 71,266,568.50, 98,348,126.97 and 38,671,520.50

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Solution

The fourth proportional to 71,266,568.50, 98,348,126.97 and 38,671,520.50 is: 53,366,840.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266,568.50 : 98,348,126.97 = 38,671,520.50 : x
  2. Step 2: Convert to fraction form
    71,266,568.50/98,348,126.97 = 38,671,520.50/x
  3. Step 3: Cross multiply
    71,266,568.50x = 98,348,126.97 × 38,671,520.50
  4. Step 4: Simplify right side
    71,266,568.50x = 3,803,271,608,256,958
  5. Step 5: Solve for x
    x = 3,803,271,608,256,958/71,266,568.50
  6. Step 6: Final answer
    x = 53,366,840.70

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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.