Home / 99,213,665.15-148,810,874.92-30,127,066.89

Finding the Fourth Proportional to 99,213,665.15, 148,810,874.92 and 30,127,066.89

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Solution

The fourth proportional to 99,213,665.15, 148,810,874.92 and 30,127,066.89 is: 45,187,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,213,665.15 : 148,810,874.92 = 30,127,066.89 : x
  2. Step 2: Convert to fraction form
    99,213,665.15/148,810,874.92 = 30,127,066.89/x
  3. Step 3: Cross multiply
    99,213,665.15x = 148,810,874.92 × 30,127,066.89
  4. Step 4: Simplify right side
    99,213,665.15x = 4,483,235,182,040,904.50
  5. Step 5: Solve for x
    x = 4,483,235,182,040,904.50/99,213,665.15
  6. Step 6: Final answer
    x = 45,187,678.28

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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.