Home / 70,136,384.81-96,786,396.11-39,196,808.33

Finding the Fourth Proportional to 70,136,384.81, 96,786,396.11 and 39,196,808.33

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Solution

The fourth proportional to 70,136,384.81, 96,786,396.11 and 39,196,808.33 is: 54,090,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,136,384.81 : 96,786,396.11 = 39,196,808.33 : x
  2. Step 2: Convert to fraction form
    70,136,384.81/96,786,396.11 = 39,196,808.33/x
  3. Step 3: Cross multiply
    70,136,384.81x = 96,786,396.11 × 39,196,808.33
  4. Step 4: Simplify right side
    70,136,384.81x = 3,793,717,816,889,188
  5. Step 5: Solve for x
    x = 3,793,717,816,889,188/70,136,384.81
  6. Step 6: Final answer
    x = 54,090,581.19

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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.