Home / 193,947,472.80-291,257,132.40-103,248,208.80

Finding the Fourth Proportional to 193,947,472.80, 291,257,132.40 and 103,248,208.80

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Solution

The fourth proportional to 193,947,472.80, 291,257,132.40 and 103,248,208.80 is: 155,051,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,947,472.80 : 291,257,132.40 = 103,248,208.80 : x
  2. Step 2: Convert to fraction form
    193,947,472.80/291,257,132.40 = 103,248,208.80/x
  3. Step 3: Cross multiply
    193,947,472.80x = 291,257,132.40 × 103,248,208.80
  4. Step 4: Simplify right side
    193,947,472.80x = 30,071,777,220,524,440
  5. Step 5: Solve for x
    x = 30,071,777,220,524,440/193,947,472.80
  6. Step 6: Final answer
    x = 155,051,142.39

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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.