Home / 193,947,616.80-291,257,348.40-103,248,352.80

Finding the Fourth Proportional to 193,947,616.80, 291,257,348.40 and 103,248,352.80

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Solution

The fourth proportional to 193,947,616.80, 291,257,348.40 and 103,248,352.80 is: 155,051,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,947,616.80 : 291,257,348.40 = 103,248,352.80 : x
  2. Step 2: Convert to fraction form
    193,947,616.80/291,257,348.40 = 103,248,352.80/x
  3. Step 3: Cross multiply
    193,947,616.80x = 291,257,348.40 × 103,248,352.80
  4. Step 4: Simplify right side
    193,947,616.80x = 30,071,841,463,195,712
  5. Step 5: Solve for x
    x = 30,071,841,463,195,712/193,947,616.80
  6. Step 6: Final answer
    x = 155,051,358.50

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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.