Home / 208,092,081.72-312,044,829.76-124,001,126.53

Finding the Fourth Proportional to 208,092,081.72, 312,044,829.76 and 124,001,126.53

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Solution

The fourth proportional to 208,092,081.72, 312,044,829.76 and 124,001,126.53 is: 185,946,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,092,081.72 : 312,044,829.76 = 124,001,126.53 : x
  2. Step 2: Convert to fraction form
    208,092,081.72/312,044,829.76 = 124,001,126.53/x
  3. Step 3: Cross multiply
    208,092,081.72x = 312,044,829.76 × 124,001,126.53
  4. Step 4: Simplify right side
    208,092,081.72x = 38,693,910,418,102,072
  5. Step 5: Solve for x
    x = 38,693,910,418,102,072/208,092,081.72
  6. Step 6: Final answer
    x = 185,946,097.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.