Home / 257,720,734.98-355,654,666.89-141,827,230.98

Finding the Fourth Proportional to 257,720,734.98, 355,654,666.89 and 141,827,230.98

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Solution

The fourth proportional to 257,720,734.98, 355,654,666.89 and 141,827,230.98 is: 195,721,607.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,720,734.98 : 355,654,666.89 = 141,827,230.98 : x
  2. Step 2: Convert to fraction form
    257,720,734.98/355,654,666.89 = 141,827,230.98/x
  3. Step 3: Cross multiply
    257,720,734.98x = 355,654,666.89 × 141,827,230.98
  4. Step 4: Simplify right side
    257,720,734.98x = 50,441,516,590,122,984
  5. Step 5: Solve for x
    x = 50,441,516,590,122,984/257,720,734.98
  6. Step 6: Final answer
    x = 195,721,607.71

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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.