Home / 56,653,616.60-84,980,424.90-18,319,005.80

Finding the Fourth Proportional to 56,653,616.60, 84,980,424.90 and 18,319,005.80

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Solution

The fourth proportional to 56,653,616.60, 84,980,424.90 and 18,319,005.80 is: 27,478,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,653,616.60 : 84,980,424.90 = 18,319,005.80 : x
  2. Step 2: Convert to fraction form
    56,653,616.60/84,980,424.90 = 18,319,005.80/x
  3. Step 3: Cross multiply
    56,653,616.60x = 84,980,424.90 × 18,319,005.80
  4. Step 4: Simplify right side
    56,653,616.60x = 1,556,756,896,629,564.50
  5. Step 5: Solve for x
    x = 1,556,756,896,629,564.50/56,653,616.60
  6. Step 6: Final answer
    x = 27,478,508.70

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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.