Home / 131,642,730.60-197,464,095.90-67,072,649.10

Finding the Fourth Proportional to 131,642,730.60, 197,464,095.90 and 67,072,649.10

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Solution

The fourth proportional to 131,642,730.60, 197,464,095.90 and 67,072,649.10 is: 100,608,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,642,730.60 : 197,464,095.90 = 67,072,649.10 : x
  2. Step 2: Convert to fraction form
    131,642,730.60/197,464,095.90 = 67,072,649.10/x
  3. Step 3: Cross multiply
    131,642,730.60x = 197,464,095.90 × 67,072,649.10
  4. Step 4: Simplify right side
    131,642,730.60x = 13,244,440,014,149,450
  5. Step 5: Solve for x
    x = 13,244,440,014,149,450/131,642,730.60
  6. Step 6: Final answer
    x = 100,608,973.65

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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.