Home / 121,279,428.30-181,927,015.65-63,883,800.30

Finding the Fourth Proportional to 121,279,428.30, 181,927,015.65 and 63,883,800.30

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Solution

The fourth proportional to 121,279,428.30, 181,927,015.65 and 63,883,800.30 is: 95,829,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,428.30 : 181,927,015.65 = 63,883,800.30 : x
  2. Step 2: Convert to fraction form
    121,279,428.30/181,927,015.65 = 63,883,800.30/x
  3. Step 3: Cross multiply
    121,279,428.30x = 181,927,015.65 × 63,883,800.30
  4. Step 4: Simplify right side
    121,279,428.30x = 11,622,189,136,959,574
  5. Step 5: Solve for x
    x = 11,622,189,136,959,574/121,279,428.30
  6. Step 6: Final answer
    x = 95,829,847.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.