Home / 208,852,206.72-288,220,845.60-114,772,202.80

Finding the Fourth Proportional to 208,852,206.72, 288,220,845.60 and 114,772,202.80

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Solution

The fourth proportional to 208,852,206.72, 288,220,845.60 and 114,772,202.80 is: 158,388,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852,206.72 : 288,220,845.60 = 114,772,202.80 : x
  2. Step 2: Convert to fraction form
    208,852,206.72/288,220,845.60 = 114,772,202.80/x
  3. Step 3: Cross multiply
    208,852,206.72x = 288,220,845.60 × 114,772,202.80
  4. Step 4: Simplify right side
    208,852,206.72x = 33,079,741,342,390,688
  5. Step 5: Solve for x
    x = 33,079,741,342,390,688/208,852,206.72
  6. Step 6: Final answer
    x = 158,388,277.83

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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.