Home / 203,641,237.86-281,034,162.18-120,012,897.93

Finding the Fourth Proportional to 203,641,237.86, 281,034,162.18 and 120,012,897.93

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Solution

The fourth proportional to 203,641,237.86, 281,034,162.18 and 120,012,897.93 is: 165,623,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,641,237.86 : 281,034,162.18 = 120,012,897.93 : x
  2. Step 2: Convert to fraction form
    203,641,237.86/281,034,162.18 = 120,012,897.93/x
  3. Step 3: Cross multiply
    203,641,237.86x = 281,034,162.18 × 120,012,897.93
  4. Step 4: Simplify right side
    203,641,237.86x = 33,727,724,220,551,408
  5. Step 5: Solve for x
    x = 33,727,724,220,551,408/203,641,237.86
  6. Step 6: Final answer
    x = 165,623,252.81

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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.