Home / 56,495,080.80-84,742,621.20-43,740,496.80

Finding the Fourth Proportional to 56,495,080.80, 84,742,621.20 and 43,740,496.80

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Solution

The fourth proportional to 56,495,080.80, 84,742,621.20 and 43,740,496.80 is: 65,610,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495,080.80 : 84,742,621.20 = 43,740,496.80 : x
  2. Step 2: Convert to fraction form
    56,495,080.80/84,742,621.20 = 43,740,496.80/x
  3. Step 3: Cross multiply
    56,495,080.80x = 84,742,621.20 × 43,740,496.80
  4. Step 4: Simplify right side
    56,495,080.80x = 3,706,684,351,422,212
  5. Step 5: Solve for x
    x = 3,706,684,351,422,212/56,495,080.80
  6. Step 6: Final answer
    x = 65,610,745.20

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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.