Home / 72,817,420.69-100,491,094.97-41,877,614.71

Finding the Fourth Proportional to 72,817,420.69, 100,491,094.97 and 41,877,614.71

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Solution

The fourth proportional to 72,817,420.69, 100,491,094.97 and 41,877,614.71 is: 57,792,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817,420.69 : 100,491,094.97 = 41,877,614.71 : x
  2. Step 2: Convert to fraction form
    72,817,420.69/100,491,094.97 = 41,877,614.71/x
  3. Step 3: Cross multiply
    72,817,420.69x = 100,491,094.97 × 41,877,614.71
  4. Step 4: Simplify right side
    72,817,420.69x = 4,208,327,356,939,679
  5. Step 5: Solve for x
    x = 4,208,327,356,939,679/72,817,420.69
  6. Step 6: Final answer
    x = 57,792,864.91

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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.