Home / 122,468,411.40-183,702,617.10-91,857,409.80

Finding the Fourth Proportional to 122,468,411.40, 183,702,617.10 and 91,857,409.80

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Solution

The fourth proportional to 122,468,411.40, 183,702,617.10 and 91,857,409.80 is: 137,786,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,468,411.40 : 183,702,617.10 = 91,857,409.80 : x
  2. Step 2: Convert to fraction form
    122,468,411.40/183,702,617.10 = 91,857,409.80/x
  3. Step 3: Cross multiply
    122,468,411.40x = 183,702,617.10 × 91,857,409.80
  4. Step 4: Simplify right side
    122,468,411.40x = 16,874,446,580,287,186
  5. Step 5: Solve for x
    x = 16,874,446,580,287,186/122,468,411.40
  6. Step 6: Final answer
    x = 137,786,114.70

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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.