Home / 145,514,159.19-200,814,292.53-79,438,180.77

Finding the Fourth Proportional to 145,514,159.19, 200,814,292.53 and 79,438,180.77

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Solution

The fourth proportional to 145,514,159.19, 200,814,292.53 and 79,438,180.77 is: 109,627,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514,159.19 : 200,814,292.53 = 79,438,180.77 : x
  2. Step 2: Convert to fraction form
    145,514,159.19/200,814,292.53 = 79,438,180.77/x
  3. Step 3: Cross multiply
    145,514,159.19x = 200,814,292.53 × 79,438,180.77
  4. Step 4: Simplify right side
    145,514,159.19x = 15,952,322,071,197,800
  5. Step 5: Solve for x
    x = 15,952,322,071,197,800/145,514,159.19
  6. Step 6: Final answer
    x = 109,627,284.11

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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.