Home / 262,361,681.80-393,780,468.30-133,059,243.40

Finding the Fourth Proportional to 262,361,681.80, 393,780,468.30 and 133,059,243.40

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Solution

The fourth proportional to 262,361,681.80, 393,780,468.30 and 133,059,243.40 is: 199,709,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,361,681.80 : 393,780,468.30 = 133,059,243.40 : x
  2. Step 2: Convert to fraction form
    262,361,681.80/393,780,468.30 = 133,059,243.40/x
  3. Step 3: Cross multiply
    262,361,681.80x = 393,780,468.30 × 133,059,243.40
  4. Step 4: Simplify right side
    262,361,681.80x = 52,396,131,177,695,688
  5. Step 5: Solve for x
    x = 52,396,131,177,695,688/262,361,681.80
  6. Step 6: Final answer
    x = 199,709,541.49

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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.