Home / 103,792,599.72-143,236,777.68-57,385,849.68

Finding the Fourth Proportional to 103,792,599.72, 143,236,777.68 and 57,385,849.68

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Solution

The fourth proportional to 103,792,599.72, 143,236,777.68 and 57,385,849.68 is: 79,194,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,792,599.72 : 143,236,777.68 = 57,385,849.68 : x
  2. Step 2: Convert to fraction form
    103,792,599.72/143,236,777.68 = 57,385,849.68/x
  3. Step 3: Cross multiply
    103,792,599.72x = 143,236,777.68 × 57,385,849.68
  4. Step 4: Simplify right side
    103,792,599.72x = 8,219,764,192,592,060
  5. Step 5: Solve for x
    x = 8,219,764,192,592,060/103,792,599.72
  6. Step 6: Final answer
    x = 79,194,125.74

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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.