Home / 154,425,344.95-231,637,821.81-39,409,889.86

Finding the Fourth Proportional to 154,425,344.95, 231,637,821.81 and 39,409,889.86

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Solution

The fourth proportional to 154,425,344.95, 231,637,821.81 and 39,409,889.86 is: 59,114,784.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,344.95 : 231,637,821.81 = 39,409,889.86 : x
  2. Step 2: Convert to fraction form
    154,425,344.95/231,637,821.81 = 39,409,889.86/x
  3. Step 3: Cross multiply
    154,425,344.95x = 231,637,821.81 × 39,409,889.86
  4. Step 4: Simplify right side
    154,425,344.95x = 9,128,821,043,587,166
  5. Step 5: Solve for x
    x = 9,128,821,043,587,166/154,425,344.95
  6. Step 6: Final answer
    x = 59,114,784.86

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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.