Home / 130,146,115.62-179,601,980.60-70,607,408.64

Finding the Fourth Proportional to 130,146,115.62, 179,601,980.60 and 70,607,408.64

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Solution

The fourth proportional to 130,146,115.62, 179,601,980.60 and 70,607,408.64 is: 97,438,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,146,115.62 : 179,601,980.60 = 70,607,408.64 : x
  2. Step 2: Convert to fraction form
    130,146,115.62/179,601,980.60 = 70,607,408.64/x
  3. Step 3: Cross multiply
    130,146,115.62x = 179,601,980.60 × 70,607,408.64
  4. Step 4: Simplify right side
    130,146,115.62x = 12,681,230,436,280,564
  5. Step 5: Solve for x
    x = 12,681,230,436,280,564/130,146,115.62
  6. Step 6: Final answer
    x = 97,438,408.95

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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.