Home / 154,425,345.95-231,637,823.30-39,409,890.86

Finding the Fourth Proportional to 154,425,345.95, 231,637,823.30 and 39,409,890.86

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Solution

The fourth proportional to 154,425,345.95, 231,637,823.30 and 39,409,890.86 is: 59,114,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,345.95 : 231,637,823.30 = 39,409,890.86 : x
  2. Step 2: Convert to fraction form
    154,425,345.95/231,637,823.30 = 39,409,890.86/x
  3. Step 3: Cross multiply
    154,425,345.95x = 231,637,823.30 × 39,409,890.86
  4. Step 4: Simplify right side
    154,425,345.95x = 9,128,821,335,300,966
  5. Step 5: Solve for x
    x = 9,128,821,335,300,966/154,425,345.95
  6. Step 6: Final answer
    x = 59,114,786.37

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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.