Home / 366,720,400.80-549,891,644.40-136,571,018.40

Finding the Fourth Proportional to 366,720,400.80, 549,891,644.40 and 136,571,018.40

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Solution

The fourth proportional to 366,720,400.80, 549,891,644.40 and 136,571,018.40 is: 204,786,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,720,400.80 : 549,891,644.40 = 136,571,018.40 : x
  2. Step 2: Convert to fraction form
    366,720,400.80/549,891,644.40 = 136,571,018.40/x
  3. Step 3: Cross multiply
    366,720,400.80x = 549,891,644.40 × 136,571,018.40
  4. Step 4: Simplify right side
    366,720,400.80x = 75,099,261,885,358,656
  5. Step 5: Solve for x
    x = 75,099,261,885,358,656/366,720,400.80
  6. Step 6: Final answer
    x = 204,786,157.85

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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.