Home / 56,496,612.80-84,744,919.20-43,742,028.80

Finding the Fourth Proportional to 56,496,612.80, 84,744,919.20 and 43,742,028.80

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Solution

The fourth proportional to 56,496,612.80, 84,744,919.20 and 43,742,028.80 is: 65,613,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,496,612.80 : 84,744,919.20 = 43,742,028.80 : x
  2. Step 2: Convert to fraction form
    56,496,612.80/84,744,919.20 = 43,742,028.80/x
  3. Step 3: Cross multiply
    56,496,612.80x = 84,744,919.20 × 43,742,028.80
  4. Step 4: Simplify right side
    56,496,612.80x = 3,706,914,696,300,073
  5. Step 5: Solve for x
    x = 3,706,914,696,300,073/56,496,612.80
  6. Step 6: Final answer
    x = 65,613,043.20

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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.