Home / 136,368,491.60-188,141,839.08-77,616,457.04

Finding the Fourth Proportional to 136,368,491.60, 188,141,839.08 and 77,616,457.04

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Solution

The fourth proportional to 136,368,491.60, 188,141,839.08 and 77,616,457.04 is: 107,084,142.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,368,491.60 : 188,141,839.08 = 77,616,457.04 : x
  2. Step 2: Convert to fraction form
    136,368,491.60/188,141,839.08 = 77,616,457.04/x
  3. Step 3: Cross multiply
    136,368,491.60x = 188,141,839.08 × 77,616,457.04
  4. Step 4: Simplify right side
    136,368,491.60x = 14,602,902,970,379,416
  5. Step 5: Solve for x
    x = 14,602,902,970,379,416/136,368,491.60
  6. Step 6: Final answer
    x = 107,084,142.38

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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.