Home / 71,782,539.76-99,059,400.94-39,187,491.76

Finding the Fourth Proportional to 71,782,539.76, 99,059,400.94 and 39,187,491.76

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Solution

The fourth proportional to 71,782,539.76, 99,059,400.94 and 39,187,491.76 is: 54,078,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,782,539.76 : 99,059,400.94 = 39,187,491.76 : x
  2. Step 2: Convert to fraction form
    71,782,539.76/99,059,400.94 = 39,187,491.76/x
  3. Step 3: Cross multiply
    71,782,539.76x = 99,059,400.94 × 39,187,491.76
  4. Step 4: Simplify right side
    71,782,539.76x = 3,881,889,457,395,552
  5. Step 5: Solve for x
    x = 3,881,889,457,395,552/71,782,539.76
  6. Step 6: Final answer
    x = 54,078,463.52

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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.