Home / 342,292,945,071.85-513,538,790,356.60-137,980,692,139.35

Finding the Fourth Proportional to 342,292,945,071.85, 513,538,790,356.60 and 137,980,692,139.35

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Solution

The fourth proportional to 342,292,945,071.85, 513,538,790,356.60 and 137,980,692,139.35 is: 207,011,096,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,292,945,071.85 : 513,538,790,356.60 = 137,980,692,139.35 : x
  2. Step 2: Convert to fraction form
    342,292,945,071.85/513,538,790,356.60 = 137,980,692,139.35/x
  3. Step 3: Cross multiply
    342,292,945,071.85x = 513,538,790,356.60 × 137,980,692,139.35
  4. Step 4: Simplify right side
    342,292,945,071.85x = 70,858,437,733,808,227,745,792
  5. Step 5: Solve for x
    x = 70,858,437,733,808,227,745,792/342,292,945,071.85
  6. Step 6: Final answer
    x = 207,011,096,062.57

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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.