Home / 65,904,712.40-98,857,068.60-54,707,272.40

Finding the Fourth Proportional to 65,904,712.40, 98,857,068.60 and 54,707,272.40

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Solution

The fourth proportional to 65,904,712.40, 98,857,068.60 and 54,707,272.40 is: 82,060,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904,712.40 : 98,857,068.60 = 54,707,272.40 : x
  2. Step 2: Convert to fraction form
    65,904,712.40/98,857,068.60 = 54,707,272.40/x
  3. Step 3: Cross multiply
    65,904,712.40x = 98,857,068.60 × 54,707,272.40
  4. Step 4: Simplify right side
    65,904,712.40x = 5,408,200,580,565,686
  5. Step 5: Solve for x
    x = 5,408,200,580,565,686/65,904,712.40
  6. Step 6: Final answer
    x = 82,060,908.60

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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.