Home / 76,124,713.71-105,244,225.29-56,247,127.74

Finding the Fourth Proportional to 76,124,713.71, 105,244,225.29 and 56,247,127.74

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Solution

The fourth proportional to 76,124,713.71, 105,244,225.29 and 56,247,127.74 is: 77,762,990.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,713.71 : 105,244,225.29 = 56,247,127.74 : x
  2. Step 2: Convert to fraction form
    76,124,713.71/105,244,225.29 = 56,247,127.74/x
  3. Step 3: Cross multiply
    76,124,713.71x = 105,244,225.29 × 56,247,127.74
  4. Step 4: Simplify right side
    76,124,713.71x = 5,919,685,383,783,969
  5. Step 5: Solve for x
    x = 5,919,685,383,783,969/76,124,713.71
  6. Step 6: Final answer
    x = 77,762,990.43

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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.