Home / 431,962,929.64-647,973,126.12-151,809,961.46

Finding the Fourth Proportional to 431,962,929.64, 647,973,126.12 and 151,809,961.46

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Solution

The fourth proportional to 431,962,929.64, 647,973,126.12 and 151,809,961.46 is: 227,725,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,962,929.64 : 647,973,126.12 = 151,809,961.46 : x
  2. Step 2: Convert to fraction form
    431,962,929.64/647,973,126.12 = 151,809,961.46/x
  3. Step 3: Cross multiply
    431,962,929.64x = 647,973,126.12 × 151,809,961.46
  4. Step 4: Simplify right side
    431,962,929.64x = 98,368,775,300,722,352
  5. Step 5: Solve for x
    x = 98,368,775,300,722,352/431,962,929.64
  6. Step 6: Final answer
    x = 227,725,039.70

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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.