Home / 154,425,345.45-231,637,822.55-39,409,890.36

Finding the Fourth Proportional to 154,425,345.45, 231,637,822.55 and 39,409,890.36

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Solution

The fourth proportional to 154,425,345.45, 231,637,822.55 and 39,409,890.36 is: 59,114,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,345.45 : 231,637,822.55 = 39,409,890.36 : x
  2. Step 2: Convert to fraction form
    154,425,345.45/231,637,822.55 = 39,409,890.36/x
  3. Step 3: Cross multiply
    154,425,345.45x = 231,637,822.55 × 39,409,890.36
  4. Step 4: Simplify right side
    154,425,345.45x = 9,128,821,189,924,636
  5. Step 5: Solve for x
    x = 9,128,821,189,924,636/154,425,345.45
  6. Step 6: Final answer
    x = 59,114,785.62

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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.