Home / 141,771,581.76-212,693,239.56-39,535,630.32

Finding the Fourth Proportional to 141,771,581.76, 212,693,239.56 and 39,535,630.32

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Solution

The fourth proportional to 141,771,581.76, 212,693,239.56 and 39,535,630.32 is: 59,313,447.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,771,581.76 : 212,693,239.56 = 39,535,630.32 : x
  2. Step 2: Convert to fraction form
    141,771,581.76/212,693,239.56 = 39,535,630.32/x
  3. Step 3: Cross multiply
    141,771,581.76x = 212,693,239.56 × 39,535,630.32
  4. Step 4: Simplify right side
    141,771,581.76x = 8,408,961,290,807,360
  5. Step 5: Solve for x
    x = 8,408,961,290,807,360/141,771,581.76
  6. Step 6: Final answer
    x = 59,313,447.63

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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.