Home / 118,643,996.81-177,900,975.05-36,740,136.68

Finding the Fourth Proportional to 118,643,996.81, 177,900,975.05 and 36,740,136.68

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Solution

The fourth proportional to 118,643,996.81, 177,900,975.05 and 36,740,136.68 is: 55,090,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,996.81 : 177,900,975.05 = 36,740,136.68 : x
  2. Step 2: Convert to fraction form
    118,643,996.81/177,900,975.05 = 36,740,136.68/x
  3. Step 3: Cross multiply
    118,643,996.81x = 177,900,975.05 × 36,740,136.68
  4. Step 4: Simplify right side
    118,643,996.81x = 6,536,106,137,769,063
  5. Step 5: Solve for x
    x = 6,536,106,137,769,063/118,643,996.81
  6. Step 6: Final answer
    x = 55,090,070.41

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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.