Home / 70,155,683.82-96,814,971.36-39,215,834.10

Finding the Fourth Proportional to 70,155,683.82, 96,814,971.36 and 39,215,834.10

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Solution

The fourth proportional to 70,155,683.82, 96,814,971.36 and 39,215,834.10 is: 54,117,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,155,683.82 : 96,814,971.36 = 39,215,834.10 : x
  2. Step 2: Convert to fraction form
    70,155,683.82/96,814,971.36 = 39,215,834.10/x
  3. Step 3: Cross multiply
    70,155,683.82x = 96,814,971.36 × 39,215,834.10
  4. Step 4: Simplify right side
    70,155,683.82x = 3,796,679,855,250,011.50
  5. Step 5: Solve for x
    x = 3,796,679,855,250,011.50/70,155,683.82
  6. Step 6: Final answer
    x = 54,117,922.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.