Home / 141,883,739.70-212,723,466.32-87,183,306.51

Finding the Fourth Proportional to 141,883,739.70, 212,723,466.32 and 87,183,306.51

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Solution

The fourth proportional to 141,883,739.70, 212,723,466.32 and 87,183,306.51 is: 130,712,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,883,739.70 : 212,723,466.32 = 87,183,306.51 : x
  2. Step 2: Convert to fraction form
    141,883,739.70/212,723,466.32 = 87,183,306.51/x
  3. Step 3: Cross multiply
    141,883,739.70x = 212,723,466.32 × 87,183,306.51
  4. Step 4: Simplify right side
    141,883,739.70x = 18,545,935,166,046,224
  5. Step 5: Solve for x
    x = 18,545,935,166,046,224/141,883,739.70
  6. Step 6: Final answer
    x = 130,712,195.81

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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.