Home / 90,310,285.29-124,631,612.91-50,618,543.07

Finding the Fourth Proportional to 90,310,285.29, 124,631,612.91 and 50,618,543.07

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Solution

The fourth proportional to 90,310,285.29, 124,631,612.91 and 50,618,543.07 is: 69,855,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310,285.29 : 124,631,612.91 = 50,618,543.07 : x
  2. Step 2: Convert to fraction form
    90,310,285.29/124,631,612.91 = 50,618,543.07/x
  3. Step 3: Cross multiply
    90,310,285.29x = 124,631,612.91 × 50,618,543.07
  4. Step 4: Simplify right side
    90,310,285.29x = 6,308,670,665,968,403
  5. Step 5: Solve for x
    x = 6,308,670,665,968,403/90,310,285.29
  6. Step 6: Final answer
    x = 69,855,505.89

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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.