Home / 121,142,188.44-181,735,852.50-39,253,764.24

Finding the Fourth Proportional to 121,142,188.44, 181,735,852.50 and 39,253,764.24

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Solution

The fourth proportional to 121,142,188.44, 181,735,852.50 and 39,253,764.24 is: 58,887,959.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,142,188.44 : 181,735,852.50 = 39,253,764.24 : x
  2. Step 2: Convert to fraction form
    121,142,188.44/181,735,852.50 = 39,253,764.24/x
  3. Step 3: Cross multiply
    121,142,188.44x = 181,735,852.50 × 39,253,764.24
  4. Step 4: Simplify right side
    121,142,188.44x = 7,133,816,307,990,415
  5. Step 5: Solve for x
    x = 7,133,816,307,990,415/121,142,188.44
  6. Step 6: Final answer
    x = 58,887,959.68

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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.