Home / 257,720,687.68-355,658,829.66-140,250,969.04

Finding the Fourth Proportional to 257,720,687.68, 355,658,829.66 and 140,250,969.04

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Solution

The fourth proportional to 257,720,687.68, 355,658,829.66 and 140,250,969.04 is: 193,548,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,720,687.68 : 355,658,829.66 = 140,250,969.04 : x
  2. Step 2: Convert to fraction form
    257,720,687.68/355,658,829.66 = 140,250,969.04/x
  3. Step 3: Cross multiply
    257,720,687.68x = 355,658,829.66 × 140,250,969.04
  4. Step 4: Simplify right side
    257,720,687.68x = 49,881,495,507,447,296
  5. Step 5: Solve for x
    x = 49,881,495,507,447,296/257,720,687.68
  6. Step 6: Final answer
    x = 193,548,666.80

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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.