Home / 209,921,433.60-314,616,729.60-187,095,244.80

Finding the Fourth Proportional to 209,921,433.60, 314,616,729.60 and 187,095,244.80

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Solution

The fourth proportional to 209,921,433.60, 314,616,729.60 and 187,095,244.80 is: 280,406,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,921,433.60 : 314,616,729.60 = 187,095,244.80 : x
  2. Step 2: Convert to fraction form
    209,921,433.60/314,616,729.60 = 187,095,244.80/x
  3. Step 3: Cross multiply
    209,921,433.60x = 314,616,729.60 × 187,095,244.80
  4. Step 4: Simplify right side
    209,921,433.60x = 58,863,294,042,687,416
  5. Step 5: Solve for x
    x = 58,863,294,042,687,416/209,921,433.60
  6. Step 6: Final answer
    x = 280,406,307.41

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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.