Home / 141,899,272.80-212,848,909.20-139,029,491.40

Finding the Fourth Proportional to 141,899,272.80, 212,848,909.20 and 139,029,491.40

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Solution

The fourth proportional to 141,899,272.80, 212,848,909.20 and 139,029,491.40 is: 208,544,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,899,272.80 : 212,848,909.20 = 139,029,491.40 : x
  2. Step 2: Convert to fraction form
    141,899,272.80/212,848,909.20 = 139,029,491.40/x
  3. Step 3: Cross multiply
    141,899,272.80x = 212,848,909.20 × 139,029,491.40
  4. Step 4: Simplify right side
    141,899,272.80x = 29,592,275,591,120,780
  5. Step 5: Solve for x
    x = 29,592,275,591,120,780/141,899,272.80
  6. Step 6: Final answer
    x = 208,544,237.10

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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.