Home / 70,494,415.20-105,741,622.80-64,435,987.80

Finding the Fourth Proportional to 70,494,415.20, 105,741,622.80 and 64,435,987.80

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Solution

The fourth proportional to 70,494,415.20, 105,741,622.80 and 64,435,987.80 is: 96,653,981.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,494,415.20 : 105,741,622.80 = 64,435,987.80 : x
  2. Step 2: Convert to fraction form
    70,494,415.20/105,741,622.80 = 64,435,987.80/x
  3. Step 3: Cross multiply
    70,494,415.20x = 105,741,622.80 × 64,435,987.80
  4. Step 4: Simplify right side
    70,494,415.20x = 6,813,565,916,693,001
  5. Step 5: Solve for x
    x = 6,813,565,916,693,001/70,494,415.20
  6. Step 6: Final answer
    x = 96,653,981.70

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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.