Home / 154,387,499.40-231,368,672.70-102,424,379.40

Finding the Fourth Proportional to 154,387,499.40, 231,368,672.70 and 102,424,379.40

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Solution

The fourth proportional to 154,387,499.40, 231,368,672.70 and 102,424,379.40 is: 153,495,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,387,499.40 : 231,368,672.70 = 102,424,379.40 : x
  2. Step 2: Convert to fraction form
    154,387,499.40/231,368,672.70 = 102,424,379.40/x
  3. Step 3: Cross multiply
    154,387,499.40x = 231,368,672.70 × 102,424,379.40
  4. Step 4: Simplify right side
    154,387,499.40x = 23,697,792,713,899,224
  5. Step 5: Solve for x
    x = 23,697,792,713,899,224/154,387,499.40
  6. Step 6: Final answer
    x = 153,495,540.80

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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.