Home / 193,947,473.80-291,257,133.90-103,248,209.80

Finding the Fourth Proportional to 193,947,473.80, 291,257,133.90 and 103,248,209.80

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Solution

The fourth proportional to 193,947,473.80, 291,257,133.90 and 103,248,209.80 is: 155,051,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,947,473.80 : 291,257,133.90 = 103,248,209.80 : x
  2. Step 2: Convert to fraction form
    193,947,473.80/291,257,133.90 = 103,248,209.80/x
  3. Step 3: Cross multiply
    193,947,473.80x = 291,257,133.90 × 103,248,209.80
  4. Step 4: Simplify right side
    193,947,473.80x = 30,071,777,666,653,888
  5. Step 5: Solve for x
    x = 30,071,777,666,653,888/193,947,473.80
  6. Step 6: Final answer
    x = 155,051,143.89

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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.