Home / 257,501,142.96-355,360,921.88-147,514,113.60

Finding the Fourth Proportional to 257,501,142.96, 355,360,921.88 and 147,514,113.60

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Solution

The fourth proportional to 257,501,142.96, 355,360,921.88 and 147,514,113.60 is: 203,574,829.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,501,142.96 : 355,360,921.88 = 147,514,113.60 : x
  2. Step 2: Convert to fraction form
    257,501,142.96/355,360,921.88 = 147,514,113.60/x
  3. Step 3: Cross multiply
    257,501,142.96x = 355,360,921.88 × 147,514,113.60
  4. Step 4: Simplify right side
    257,501,142.96x = 52,420,751,399,207,040
  5. Step 5: Solve for x
    x = 52,420,751,399,207,040/257,501,142.96
  6. Step 6: Final answer
    x = 203,574,829.99

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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.