Home / 85,766,458.80-128,637,246.60-25,175,866.80

Finding the Fourth Proportional to 85,766,458.80, 128,637,246.60 and 25,175,866.80

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Solution

The fourth proportional to 85,766,458.80, 128,637,246.60 and 25,175,866.80 is: 37,760,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766,458.80 : 128,637,246.60 = 25,175,866.80 : x
  2. Step 2: Convert to fraction form
    85,766,458.80/128,637,246.60 = 25,175,866.80/x
  3. Step 3: Cross multiply
    85,766,458.80x = 128,637,246.60 × 25,175,866.80
  4. Step 4: Simplify right side
    85,766,458.80x = 3,238,554,185,920,353
  5. Step 5: Solve for x
    x = 3,238,554,185,920,353/85,766,458.80
  6. Step 6: Final answer
    x = 37,760,148.10

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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.