Home / 208,845,495.04-288,189,913.13-120,745,171.28

Finding the Fourth Proportional to 208,845,495.04, 288,189,913.13 and 120,745,171.28

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Solution

The fourth proportional to 208,845,495.04, 288,189,913.13 and 120,745,171.28 is: 166,618,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845,495.04 : 288,189,913.13 = 120,745,171.28 : x
  2. Step 2: Convert to fraction form
    208,845,495.04/288,189,913.13 = 120,745,171.28/x
  3. Step 3: Cross multiply
    208,845,495.04x = 288,189,913.13 × 120,745,171.28
  4. Step 4: Simplify right side
    208,845,495.04x = 34,797,540,423,078,632
  5. Step 5: Solve for x
    x = 34,797,540,423,078,632/208,845,495.04
  6. Step 6: Final answer
    x = 166,618,582.87

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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.