Home / 157,840,163.40-236,424,321.90-130,966,307.40

Finding the Fourth Proportional to 157,840,163.40, 236,424,321.90 and 130,966,307.40

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Solution

The fourth proportional to 157,840,163.40, 236,424,321.90 and 130,966,307.40 is: 196,170,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,840,163.40 : 236,424,321.90 = 130,966,307.40 : x
  2. Step 2: Convert to fraction form
    157,840,163.40/236,424,321.90 = 130,966,307.40/x
  3. Step 3: Cross multiply
    157,840,163.40x = 236,424,321.90 × 130,966,307.40
  4. Step 4: Simplify right side
    157,840,163.40x = 30,963,620,418,791,956
  5. Step 5: Solve for x
    x = 30,963,620,418,791,956/157,840,163.40
  6. Step 6: Final answer
    x = 196,170,732.16

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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.