Home / 281,468,854.63-421,835,580.27-156,966,514.91

Finding the Fourth Proportional to 281,468,854.63, 421,835,580.27 and 156,966,514.91

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Solution

The fourth proportional to 281,468,854.63, 421,835,580.27 and 156,966,514.91 is: 235,244,716.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,468,854.63 : 421,835,580.27 = 156,966,514.91 : x
  2. Step 2: Convert to fraction form
    281,468,854.63/421,835,580.27 = 156,966,514.91/x
  3. Step 3: Cross multiply
    281,468,854.63x = 421,835,580.27 × 156,966,514.91
  4. Step 4: Simplify right side
    281,468,854.63x = 66,214,060,899,492,160
  5. Step 5: Solve for x
    x = 66,214,060,899,492,160/281,468,854.63
  6. Step 6: Final answer
    x = 235,244,716.46

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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.