Home / 70,220,799.68-96,904,862.98-38,861,130.56

Finding the Fourth Proportional to 70,220,799.68, 96,904,862.98 and 38,861,130.56

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Solution

The fourth proportional to 70,220,799.68, 96,904,862.98 and 38,861,130.56 is: 53,628,448.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,220,799.68 : 96,904,862.98 = 38,861,130.56 : x
  2. Step 2: Convert to fraction form
    70,220,799.68/96,904,862.98 = 38,861,130.56/x
  3. Step 3: Cross multiply
    70,220,799.68x = 96,904,862.98 × 38,861,130.56
  4. Step 4: Simplify right side
    70,220,799.68x = 3,765,832,531,583,014
  5. Step 5: Solve for x
    x = 3,765,832,531,583,014/70,220,799.68
  6. Step 6: Final answer
    x = 53,628,448.39

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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.