Home / 55,159,354.38-76,116,923.78-30,374,697.18

Finding the Fourth Proportional to 55,159,354.38, 76,116,923.78 and 30,374,697.18

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Solution

The fourth proportional to 55,159,354.38, 76,116,923.78 and 30,374,697.18 is: 41,915,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,159,354.38 : 76,116,923.78 = 30,374,697.18 : x
  2. Step 2: Convert to fraction form
    55,159,354.38/76,116,923.78 = 30,374,697.18/x
  3. Step 3: Cross multiply
    55,159,354.38x = 76,116,923.78 × 30,374,697.18
  4. Step 4: Simplify right side
    55,159,354.38x = 2,312,028,510,090,641
  5. Step 5: Solve for x
    x = 2,312,028,510,090,641/55,159,354.38
  6. Step 6: Final answer
    x = 41,915,438.21

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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.