Home / 90,238,230.23-124,529,131.69-51,087,562.25

Finding the Fourth Proportional to 90,238,230.23, 124,529,131.69 and 51,087,562.25

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Solution

The fourth proportional to 90,238,230.23, 124,529,131.69 and 51,087,562.25 is: 70,501,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238,230.23 : 124,529,131.69 = 51,087,562.25 : x
  2. Step 2: Convert to fraction form
    90,238,230.23/124,529,131.69 = 51,087,562.25/x
  3. Step 3: Cross multiply
    90,238,230.23x = 124,529,131.69 × 51,087,562.25
  4. Step 4: Simplify right side
    90,238,230.23x = 6,361,889,766,400,958
  5. Step 5: Solve for x
    x = 6,361,889,766,400,958/90,238,230.23
  6. Step 6: Final answer
    x = 70,501,047.62

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1.5x scale

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.