Home / 255,749,618.72-352,933,810-142,717,925.44

Finding the Fourth Proportional to 255,749,618.72, 352,933,810 and 142,717,925.44

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Solution

The fourth proportional to 255,749,618.72, 352,933,810 and 142,717,925.44 is: 196,950,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,749,618.72 : 352,933,810 = 142,717,925.44 : x
  2. Step 2: Convert to fraction form
    255,749,618.72/352,933,810 = 142,717,925.44/x
  3. Step 3: Cross multiply
    255,749,618.72x = 352,933,810 × 142,717,925.44
  4. Step 4: Simplify right side
    255,749,618.72x = 50,369,981,180,835,128
  5. Step 5: Solve for x
    x = 50,369,981,180,835,128/255,749,618.72
  6. Step 6: Final answer
    x = 196,950,366.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.