Home / 193,947,480.30-291,257,143.65-103,248,216.30

Finding the Fourth Proportional to 193,947,480.30, 291,257,143.65 and 103,248,216.30

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Solution

The fourth proportional to 193,947,480.30, 291,257,143.65 and 103,248,216.30 is: 155,051,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,947,480.30 : 291,257,143.65 = 103,248,216.30 : x
  2. Step 2: Convert to fraction form
    193,947,480.30/291,257,143.65 = 103,248,216.30/x
  3. Step 3: Cross multiply
    193,947,480.30x = 291,257,143.65 × 103,248,216.30
  4. Step 4: Simplify right side
    193,947,480.30x = 30,071,780,566,495,368
  5. Step 5: Solve for x
    x = 30,071,780,566,495,368/193,947,480.30
  6. Step 6: Final answer
    x = 155,051,153.64

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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.