Home / 291,336,986.04-402,040,285.02-159,175,138.29

Finding the Fourth Proportional to 291,336,986.04, 402,040,285.02 and 159,175,138.29

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Solution

The fourth proportional to 291,336,986.04, 402,040,285.02 and 159,175,138.29 is: 219,659,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,336,986.04 : 402,040,285.02 = 159,175,138.29 : x
  2. Step 2: Convert to fraction form
    291,336,986.04/402,040,285.02 = 159,175,138.29/x
  3. Step 3: Cross multiply
    291,336,986.04x = 402,040,285.02 × 159,175,138.29
  4. Step 4: Simplify right side
    291,336,986.04x = 63,994,817,966,209,512
  5. Step 5: Solve for x
    x = 63,994,817,966,209,512/291,336,986.04
  6. Step 6: Final answer
    x = 219,659,092.50

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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.