Home / 117,424,998.40-176,136,376.80-71,379,583.24

Finding the Fourth Proportional to 117,424,998.40, 176,136,376.80 and 71,379,583.24

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Solution

The fourth proportional to 117,424,998.40, 176,136,376.80 and 71,379,583.24 is: 107,068,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424,998.40 : 176,136,376.80 = 71,379,583.24 : x
  2. Step 2: Convert to fraction form
    117,424,998.40/176,136,376.80 = 71,379,583.24/x
  3. Step 3: Cross multiply
    117,424,998.40x = 176,136,376.80 × 71,379,583.24
  4. Step 4: Simplify right side
    117,424,998.40x = 12,572,541,169,387,604
  5. Step 5: Solve for x
    x = 12,572,541,169,387,604/117,424,998.40
  6. Step 6: Final answer
    x = 107,068,693.56

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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.