Home / 103,937,917.74-143,432,586.63-57,527,178.06

Finding the Fourth Proportional to 103,937,917.74, 143,432,586.63 and 57,527,178.06

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Solution

The fourth proportional to 103,937,917.74, 143,432,586.63 and 57,527,178.06 is: 79,386,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,937,917.74 : 143,432,586.63 = 57,527,178.06 : x
  2. Step 2: Convert to fraction form
    103,937,917.74/143,432,586.63 = 57,527,178.06/x
  3. Step 3: Cross multiply
    103,937,917.74x = 143,432,586.63 × 57,527,178.06
  4. Step 4: Simplify right side
    103,937,917.74x = 8,251,271,950,670,385
  5. Step 5: Solve for x
    x = 8,251,271,950,670,385/103,937,917.74
  6. Step 6: Final answer
    x = 79,386,542.76

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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.