Home / 253,669,102.80-350,041,981.32-140,641,610.64

Finding the Fourth Proportional to 253,669,102.80, 350,041,981.32 and 140,641,610.64

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Solution

The fourth proportional to 253,669,102.80, 350,041,981.32 and 140,641,610.64 is: 194,073,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,669,102.80 : 350,041,981.32 = 140,641,610.64 : x
  2. Step 2: Convert to fraction form
    253,669,102.80/350,041,981.32 = 140,641,610.64/x
  3. Step 3: Cross multiply
    253,669,102.80x = 350,041,981.32 × 140,641,610.64
  4. Step 4: Simplify right side
    253,669,102.80x = 49,230,468,044,461,584
  5. Step 5: Solve for x
    x = 49,230,468,044,461,584/253,669,102.80
  6. Step 6: Final answer
    x = 194,073,568.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.