Home / 193,352,548.80-289,603,670.40-102,369,849.60

Finding the Fourth Proportional to 193,352,548.80, 289,603,670.40 and 102,369,849.60

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Solution

The fourth proportional to 193,352,548.80, 289,603,670.40 and 102,369,849.60 is: 153,329,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,352,548.80 : 289,603,670.40 = 102,369,849.60 : x
  2. Step 2: Convert to fraction form
    193,352,548.80/289,603,670.40 = 102,369,849.60/x
  3. Step 3: Cross multiply
    193,352,548.80x = 289,603,670.40 × 102,369,849.60
  4. Step 4: Simplify right side
    193,352,548.80x = 29,646,684,182,455,968
  5. Step 5: Solve for x
    x = 29,646,684,182,455,968/193,352,548.80
  6. Step 6: Final answer
    x = 153,329,678.70

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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.