Home / 142,436,704.40-213,655,056.60-132,881,555.60

Finding the Fourth Proportional to 142,436,704.40, 213,655,056.60 and 132,881,555.60

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Solution

The fourth proportional to 142,436,704.40, 213,655,056.60 and 132,881,555.60 is: 199,322,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,436,704.40 : 213,655,056.60 = 132,881,555.60 : x
  2. Step 2: Convert to fraction form
    142,436,704.40/213,655,056.60 = 132,881,555.60/x
  3. Step 3: Cross multiply
    142,436,704.40x = 213,655,056.60 × 132,881,555.60
  4. Step 4: Simplify right side
    142,436,704.40x = 28,390,816,282,814,044
  5. Step 5: Solve for x
    x = 28,390,816,282,814,044/142,436,704.40
  6. Step 6: Final answer
    x = 199,322,333.40

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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.