Home / 154,425,347.81-231,637,826.12-39,409,892.72

Finding the Fourth Proportional to 154,425,347.81, 231,637,826.12 and 39,409,892.72

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Solution

The fourth proportional to 154,425,347.81, 231,637,826.12 and 39,409,892.72 is: 59,114,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,347.81 : 231,637,826.12 = 39,409,892.72 : x
  2. Step 2: Convert to fraction form
    154,425,347.81/231,637,826.12 = 39,409,892.72/x
  3. Step 3: Cross multiply
    154,425,347.81x = 231,637,826.12 × 39,409,892.72
  4. Step 4: Simplify right side
    154,425,347.81x = 9,128,821,876,796,618
  5. Step 5: Solve for x
    x = 9,128,821,876,796,618/154,425,347.81
  6. Step 6: Final answer
    x = 59,114,789.16

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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.