Home / 209,089,117.50-288,509,592.78-116,270,300.58

Finding the Fourth Proportional to 209,089,117.50, 288,509,592.78 and 116,270,300.58

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Solution

The fourth proportional to 209,089,117.50, 288,509,592.78 and 116,270,300.58 is: 160,434,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,089,117.50 : 288,509,592.78 = 116,270,300.58 : x
  2. Step 2: Convert to fraction form
    209,089,117.50/288,509,592.78 = 116,270,300.58/x
  3. Step 3: Cross multiply
    209,089,117.50x = 288,509,592.78 × 116,270,300.58
  4. Step 4: Simplify right side
    209,089,117.50x = 33,545,097,072,743,992
  5. Step 5: Solve for x
    x = 33,545,097,072,743,992/209,089,117.50
  6. Step 6: Final answer
    x = 160,434,447.64

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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.