Home / 91,453,000.68-126,205,279.62-49,637,081.25

Finding the Fourth Proportional to 91,453,000.68, 126,205,279.62 and 49,637,081.25

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Solution

The fourth proportional to 91,453,000.68, 126,205,279.62 and 49,637,081.25 is: 68,499,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,000.68 : 126,205,279.62 = 49,637,081.25 : x
  2. Step 2: Convert to fraction form
    91,453,000.68/126,205,279.62 = 49,637,081.25/x
  3. Step 3: Cross multiply
    91,453,000.68x = 126,205,279.62 × 49,637,081.25
  4. Step 4: Simplify right side
    91,453,000.68x = 6,264,461,718,414,841
  5. Step 5: Solve for x
    x = 6,264,461,718,414,841/91,453,000.68
  6. Step 6: Final answer
    x = 68,499,247.39

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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.