Home / 87,408,051.60-131,112,077.40-47,097,267.60

Finding the Fourth Proportional to 87,408,051.60, 131,112,077.40 and 47,097,267.60

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Solution

The fourth proportional to 87,408,051.60, 131,112,077.40 and 47,097,267.60 is: 70,645,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,408,051.60 : 131,112,077.40 = 47,097,267.60 : x
  2. Step 2: Convert to fraction form
    87,408,051.60/131,112,077.40 = 47,097,267.60/x
  3. Step 3: Cross multiply
    87,408,051.60x = 131,112,077.40 × 47,097,267.60
  4. Step 4: Simplify right side
    87,408,051.60x = 6,175,020,594,899,713
  5. Step 5: Solve for x
    x = 6,175,020,594,899,713/87,408,051.60
  6. Step 6: Final answer
    x = 70,645,901.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.