Home / 83,765,998.60-125,648,997.90-56,556,219.40

Finding the Fourth Proportional to 83,765,998.60, 125,648,997.90 and 56,556,219.40

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Solution

The fourth proportional to 83,765,998.60, 125,648,997.90 and 56,556,219.40 is: 84,834,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,765,998.60 : 125,648,997.90 = 56,556,219.40 : x
  2. Step 2: Convert to fraction form
    83,765,998.60/125,648,997.90 = 56,556,219.40/x
  3. Step 3: Cross multiply
    83,765,998.60x = 125,648,997.90 × 56,556,219.40
  4. Step 4: Simplify right side
    83,765,998.60x = 7,106,232,292,622,539
  5. Step 5: Solve for x
    x = 7,106,232,292,622,539/83,765,998.60
  6. Step 6: Final answer
    x = 84,834,329.10

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1.5x scale

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.