Home / 208,793,504.07-288,097,043.49-120,655,195.20

Finding the Fourth Proportional to 208,793,504.07, 288,097,043.49 and 120,655,195.20

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Solution

The fourth proportional to 208,793,504.07, 288,097,043.49 and 120,655,195.20 is: 166,482,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,793,504.07 : 288,097,043.49 = 120,655,195.20 : x
  2. Step 2: Convert to fraction form
    208,793,504.07/288,097,043.49 = 120,655,195.20/x
  3. Step 3: Cross multiply
    208,793,504.07x = 288,097,043.49 × 120,655,195.20
  4. Step 4: Simplify right side
    208,793,504.07x = 34,760,405,018,828,840
  5. Step 5: Solve for x
    x = 34,760,405,018,828,840/208,793,504.07
  6. Step 6: Final answer
    x = 166,482,214.92

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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.