Home / 146,488,672.40-219,397,085.40-143,129,440.40

Finding the Fourth Proportional to 146,488,672.40, 219,397,085.40 and 143,129,440.40

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Solution

The fourth proportional to 146,488,672.40, 219,397,085.40 and 143,129,440.40 is: 214,365,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,488,672.40 : 219,397,085.40 = 143,129,440.40 : x
  2. Step 2: Convert to fraction form
    146,488,672.40/219,397,085.40 = 143,129,440.40/x
  3. Step 3: Cross multiply
    146,488,672.40x = 219,397,085.40 × 143,129,440.40
  4. Step 4: Simplify right side
    146,488,672.40x = 31,402,182,058,693,012
  5. Step 5: Solve for x
    x = 31,402,182,058,693,012/146,488,672.40
  6. Step 6: Final answer
    x = 214,365,940.68

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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.