Home / 215,633,430.86-323,320,681.33-98,902,562.83

Finding the Fourth Proportional to 215,633,430.86, 323,320,681.33 and 98,902,562.83

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Solution

The fourth proportional to 215,633,430.86, 323,320,681.33 and 98,902,562.83 is: 148,294,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,633,430.86 : 323,320,681.33 = 98,902,562.83 : x
  2. Step 2: Convert to fraction form
    215,633,430.86/323,320,681.33 = 98,902,562.83/x
  3. Step 3: Cross multiply
    215,633,430.86x = 323,320,681.33 × 98,902,562.83
  4. Step 4: Simplify right side
    215,633,430.86x = 31,977,243,998,423,172
  5. Step 5: Solve for x
    x = 31,977,243,998,423,172/215,633,430.86
  6. Step 6: Final answer
    x = 148,294,463.76

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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.