Home / 154,425,344.45-231,637,821.05-39,409,889.36

Finding the Fourth Proportional to 154,425,344.45, 231,637,821.05 and 39,409,889.36

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Solution

The fourth proportional to 154,425,344.45, 231,637,821.05 and 39,409,889.36 is: 59,114,784.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,344.45 : 231,637,821.05 = 39,409,889.36 : x
  2. Step 2: Convert to fraction form
    154,425,344.45/231,637,821.05 = 39,409,889.36/x
  3. Step 3: Cross multiply
    154,425,344.45x = 231,637,821.05 × 39,409,889.36
  4. Step 4: Simplify right side
    154,425,344.45x = 9,128,820,898,520,526
  5. Step 5: Solve for x
    x = 9,128,820,898,520,526/154,425,344.45
  6. Step 6: Final answer
    x = 59,114,784.11

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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.