Home / 209,017,468.31-288,451,504.08-114,938,793.59

Finding the Fourth Proportional to 209,017,468.31, 288,451,504.08 and 114,938,793.59

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Solution

The fourth proportional to 209,017,468.31, 288,451,504.08 and 114,938,793.59 is: 158,619,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,017,468.31 : 288,451,504.08 = 114,938,793.59 : x
  2. Step 2: Convert to fraction form
    209,017,468.31/288,451,504.08 = 114,938,793.59/x
  3. Step 3: Cross multiply
    209,017,468.31x = 288,451,504.08 × 114,938,793.59
  4. Step 4: Simplify right side
    209,017,468.31x = 33,154,267,886,733,900
  5. Step 5: Solve for x
    x = 33,154,267,886,733,900/209,017,468.31
  6. Step 6: Final answer
    x = 158,619,603.21

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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.