Home / 101,380,503.74-139,907,846.12-57,334,089.24

Finding the Fourth Proportional to 101,380,503.74, 139,907,846.12 and 57,334,089.24

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Solution

The fourth proportional to 101,380,503.74, 139,907,846.12 and 57,334,089.24 is: 79,122,598.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380,503.74 : 139,907,846.12 = 57,334,089.24 : x
  2. Step 2: Convert to fraction form
    101,380,503.74/139,907,846.12 = 57,334,089.24/x
  3. Step 3: Cross multiply
    101,380,503.74x = 139,907,846.12 × 57,334,089.24
  4. Step 4: Simplify right side
    101,380,503.74x = 8,021,488,934,533,598
  5. Step 5: Solve for x
    x = 8,021,488,934,533,598/101,380,503.74
  6. Step 6: Final answer
    x = 79,122,598.91

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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.