Home / 248,208,126.16-342,516,160.50-142,285,605.94

Finding the Fourth Proportional to 248,208,126.16, 342,516,160.50 and 142,285,605.94

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Solution

The fourth proportional to 248,208,126.16, 342,516,160.50 and 142,285,605.94 is: 196,347,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,208,126.16 : 342,516,160.50 = 142,285,605.94 : x
  2. Step 2: Convert to fraction form
    248,208,126.16/342,516,160.50 = 142,285,605.94/x
  3. Step 3: Cross multiply
    248,208,126.16x = 342,516,160.50 × 142,285,605.94
  4. Step 4: Simplify right side
    248,208,126.16x = 48,735,119,440,984,792
  5. Step 5: Solve for x
    x = 48,735,119,440,984,792/248,208,126.16
  6. Step 6: Final answer
    x = 196,347,799.71

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1.5x scale

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.