Home / 262,102,603.60-393,405,847.80-132,856,152.40

Finding the Fourth Proportional to 262,102,603.60, 393,405,847.80 and 132,856,152.40

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Solution

The fourth proportional to 262,102,603.60, 393,405,847.80 and 132,856,152.40 is: 199,411,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,102,603.60 : 393,405,847.80 = 132,856,152.40 : x
  2. Step 2: Convert to fraction form
    262,102,603.60/393,405,847.80 = 132,856,152.40/x
  3. Step 3: Cross multiply
    262,102,603.60x = 393,405,847.80 × 132,856,152.40
  4. Step 4: Simplify right side
    262,102,603.60x = 52,266,387,270,368,008
  5. Step 5: Solve for x
    x = 52,266,387,270,368,008/262,102,603.60
  6. Step 6: Final answer
    x = 199,411,934.69

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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.