Home / 257,495,607.04-355,333,121.04-145,993,948.96

Finding the Fourth Proportional to 257,495,607.04, 355,333,121.04 and 145,993,948.96

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Solution

The fourth proportional to 257,495,607.04, 355,333,121.04 and 145,993,948.96 is: 201,465,516.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,495,607.04 : 355,333,121.04 = 145,993,948.96 : x
  2. Step 2: Convert to fraction form
    257,495,607.04/355,333,121.04 = 145,993,948.96/x
  3. Step 3: Cross multiply
    257,495,607.04x = 355,333,121.04 × 145,993,948.96
  4. Step 4: Simplify right side
    257,495,607.04x = 51,876,485,536,911,272
  5. Step 5: Solve for x
    x = 51,876,485,536,911,272/257,495,607.04
  6. Step 6: Final answer
    x = 201,465,516.76

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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.