Home / 154,425,359.60-231,637,843.74-39,409,904.50

Finding the Fourth Proportional to 154,425,359.60, 231,637,843.74 and 39,409,904.50

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Solution

The fourth proportional to 154,425,359.60, 231,637,843.74 and 39,409,904.50 is: 59,114,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,359.60 : 231,637,843.74 = 39,409,904.50 : x
  2. Step 2: Convert to fraction form
    154,425,359.60/231,637,843.74 = 39,409,904.50/x
  3. Step 3: Cross multiply
    154,425,359.60x = 231,637,843.74 × 39,409,904.50
  4. Step 4: Simplify right side
    154,425,359.60x = 9,128,825,300,379,324
  5. Step 5: Solve for x
    x = 9,128,825,300,379,324/154,425,359.60
  6. Step 6: Final answer
    x = 59,114,806.82

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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.