Home / 56,037,643.60-84,056,465.40-19,687,079.20

Finding the Fourth Proportional to 56,037,643.60, 84,056,465.40 and 19,687,079.20

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Solution

The fourth proportional to 56,037,643.60, 84,056,465.40 and 19,687,079.20 is: 29,530,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,037,643.60 : 84,056,465.40 = 19,687,079.20 : x
  2. Step 2: Convert to fraction form
    56,037,643.60/84,056,465.40 = 19,687,079.20/x
  3. Step 3: Cross multiply
    56,037,643.60x = 84,056,465.40 × 19,687,079.20
  4. Step 4: Simplify right side
    56,037,643.60x = 1,654,826,291,601,859.75
  5. Step 5: Solve for x
    x = 1,654,826,291,601,859.75/56,037,643.60
  6. Step 6: Final answer
    x = 29,530,618.80

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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.