Home / 76,408,566.60-105,509,360.16-73,937,768.04

Finding the Fourth Proportional to 76,408,566.60, 105,509,360.16 and 73,937,768.04

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Solution

The fourth proportional to 76,408,566.60, 105,509,360.16 and 73,937,768.04 is: 102,097,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,408,566.60 : 105,509,360.16 = 73,937,768.04 : x
  2. Step 2: Convert to fraction form
    76,408,566.60/105,509,360.16 = 73,937,768.04/x
  3. Step 3: Cross multiply
    76,408,566.60x = 105,509,360.16 × 73,937,768.04
  4. Step 4: Simplify right side
    76,408,566.60x = 7,801,126,597,558,898
  5. Step 5: Solve for x
    x = 7,801,126,597,558,898/76,408,566.60
  6. Step 6: Final answer
    x = 102,097,538.86

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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.