Home / 154,425,345.57-231,637,822.74-39,409,890.48

Finding the Fourth Proportional to 154,425,345.57, 231,637,822.74 and 39,409,890.48

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Solution

The fourth proportional to 154,425,345.57, 231,637,822.74 and 39,409,890.48 is: 59,114,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,425,345.57 : 231,637,822.74 = 39,409,890.48 : x
  2. Step 2: Convert to fraction form
    154,425,345.57/231,637,822.74 = 39,409,890.48/x
  3. Step 3: Cross multiply
    154,425,345.57x = 231,637,822.74 × 39,409,890.48
  4. Step 4: Simplify right side
    154,425,345.57x = 9,128,821,225,972,018
  5. Step 5: Solve for x
    x = 9,128,821,225,972,018/154,425,345.57
  6. Step 6: Final answer
    x = 59,114,785.80

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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.