Home / 193,947,475.30-291,257,136.15-103,248,211.30

Finding the Fourth Proportional to 193,947,475.30, 291,257,136.15 and 103,248,211.30

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Solution

The fourth proportional to 193,947,475.30, 291,257,136.15 and 103,248,211.30 is: 155,051,146.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,947,475.30 : 291,257,136.15 = 103,248,211.30 : x
  2. Step 2: Convert to fraction form
    193,947,475.30/291,257,136.15 = 103,248,211.30/x
  3. Step 3: Cross multiply
    193,947,475.30x = 291,257,136.15 × 103,248,211.30
  4. Step 4: Simplify right side
    193,947,475.30x = 30,071,778,335,848,064
  5. Step 5: Solve for x
    x = 30,071,778,335,848,064/193,947,475.30
  6. Step 6: Final answer
    x = 155,051,146.14

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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.