Home / 122,887,109.54-169,586,711.07-67,136,140.93

Finding the Fourth Proportional to 122,887,109.54, 169,586,711.07 and 67,136,140.93

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Solution

The fourth proportional to 122,887,109.54, 169,586,711.07 and 67,136,140.93 is: 92,649,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,887,109.54 : 169,586,711.07 = 67,136,140.93 : x
  2. Step 2: Convert to fraction form
    122,887,109.54/169,586,711.07 = 67,136,140.93/x
  3. Step 3: Cross multiply
    122,887,109.54x = 169,586,711.07 × 67,136,140.93
  4. Step 4: Simplify right side
    122,887,109.54x = 11,385,397,334,250,712
  5. Step 5: Solve for x
    x = 11,385,397,334,250,712/122,887,109.54
  6. Step 6: Final answer
    x = 92,649,240.24

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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.