Home / 73,865,422.80-101,939,560.56-40,824,961.20

Finding the Fourth Proportional to 73,865,422.80, 101,939,560.56 and 40,824,961.20

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Solution

The fourth proportional to 73,865,422.80, 101,939,560.56 and 40,824,961.20 is: 56,341,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,865,422.80 : 101,939,560.56 = 40,824,961.20 : x
  2. Step 2: Convert to fraction form
    73,865,422.80/101,939,560.56 = 40,824,961.20/x
  3. Step 3: Cross multiply
    73,865,422.80x = 101,939,560.56 × 40,824,961.20
  4. Step 4: Simplify right side
    73,865,422.80x = 4,161,678,604,607,050.50
  5. Step 5: Solve for x
    x = 4,161,678,604,607,050.50/73,865,422.80
  6. Step 6: Final answer
    x = 56,341,363.07

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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.