Home / 55,844,686.40-83,830,015.20-43,121,595.20

Finding the Fourth Proportional to 55,844,686.40, 83,830,015.20 and 43,121,595.20

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Solution

The fourth proportional to 55,844,686.40, 83,830,015.20 and 43,121,595.20 is: 64,731,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,844,686.40 : 83,830,015.20 = 43,121,595.20 : x
  2. Step 2: Convert to fraction form
    55,844,686.40/83,830,015.20 = 43,121,595.20/x
  3. Step 3: Cross multiply
    55,844,686.40x = 83,830,015.20 × 43,121,595.20
  4. Step 4: Simplify right side
    55,844,686.40x = 3,614,883,981,064,247.50
  5. Step 5: Solve for x
    x = 3,614,883,981,064,247.50/55,844,686.40
  6. Step 6: Final answer
    x = 64,731,028.39

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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.