Home / 70,074,790.40-96,000,858-67,454,857.28

Finding the Fourth Proportional to 70,074,790.40, 96,000,858 and 67,454,857.28

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Solution

The fourth proportional to 70,074,790.40, 96,000,858 and 67,454,857.28 is: 92,411,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074,790.40 : 96,000,858 = 67,454,857.28 : x
  2. Step 2: Convert to fraction form
    70,074,790.40/96,000,858 = 67,454,857.28/x
  3. Step 3: Cross multiply
    70,074,790.40x = 96,000,858 × 67,454,857.28
  4. Step 4: Simplify right side
    70,074,790.40x = 6,475,724,175,147,546
  5. Step 5: Solve for x
    x = 6,475,724,175,147,546/70,074,790.40
  6. Step 6: Final answer
    x = 92,411,609.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.