Home / 141,912,999.40-212,869,499.10-126,607,498.60

Finding the Fourth Proportional to 141,912,999.40, 212,869,499.10 and 126,607,498.60

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Solution

The fourth proportional to 141,912,999.40, 212,869,499.10 and 126,607,498.60 is: 189,911,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,912,999.40 : 212,869,499.10 = 126,607,498.60 : x
  2. Step 2: Convert to fraction form
    141,912,999.40/212,869,499.10 = 126,607,498.60/x
  3. Step 3: Cross multiply
    141,912,999.40x = 212,869,499.10 × 126,607,498.60
  4. Step 4: Simplify right side
    141,912,999.40x = 26,950,874,809,285,948
  5. Step 5: Solve for x
    x = 26,950,874,809,285,948/141,912,999.40
  6. Step 6: Final answer
    x = 189,911,247.90

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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.