Home / 75,345,645.60-113,018,468.40-52,387,394.40

Finding the Fourth Proportional to 75,345,645.60, 113,018,468.40 and 52,387,394.40

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Solution

The fourth proportional to 75,345,645.60, 113,018,468.40 and 52,387,394.40 is: 78,581,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,345,645.60 : 113,018,468.40 = 52,387,394.40 : x
  2. Step 2: Convert to fraction form
    75,345,645.60/113,018,468.40 = 52,387,394.40/x
  3. Step 3: Cross multiply
    75,345,645.60x = 113,018,468.40 × 52,387,394.40
  4. Step 4: Simplify right side
    75,345,645.60x = 5,920,743,078,554,737
  5. Step 5: Solve for x
    x = 5,920,743,078,554,737/75,345,645.60
  6. Step 6: Final answer
    x = 78,581,091.60

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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.