Home / 161,109,078.40-241,663,617.60-53,403,702.40

Finding the Fourth Proportional to 161,109,078.40, 241,663,617.60 and 53,403,702.40

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Solution

The fourth proportional to 161,109,078.40, 241,663,617.60 and 53,403,702.40 is: 80,105,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,109,078.40 : 241,663,617.60 = 53,403,702.40 : x
  2. Step 2: Convert to fraction form
    161,109,078.40/241,663,617.60 = 53,403,702.40/x
  3. Step 3: Cross multiply
    161,109,078.40x = 241,663,617.60 × 53,403,702.40
  4. Step 4: Simplify right side
    161,109,078.40x = 12,905,731,915,217,802
  5. Step 5: Solve for x
    x = 12,905,731,915,217,802/161,109,078.40
  6. Step 6: Final answer
    x = 80,105,553.60

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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.