Home / 83,136,410.07-124,673,599.80-28,533,500.88

Finding the Fourth Proportional to 83,136,410.07, 124,673,599.80 and 28,533,500.88

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Solution

The fourth proportional to 83,136,410.07, 124,673,599.80 and 28,533,500.88 is: 42,789,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,410.07 : 124,673,599.80 = 28,533,500.88 : x
  2. Step 2: Convert to fraction form
    83,136,410.07/124,673,599.80 = 28,533,500.88/x
  3. Step 3: Cross multiply
    83,136,410.07x = 124,673,599.80 × 28,533,500.88
  4. Step 4: Simplify right side
    83,136,410.07x = 3,557,374,269,606,067.50
  5. Step 5: Solve for x
    x = 3,557,374,269,606,067.50/83,136,410.07
  6. Step 6: Final answer
    x = 42,789,606.46

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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.