Home / 291,346,205.70-437,019,308.55-199,513,200.90

Finding the Fourth Proportional to 291,346,205.70, 437,019,308.55 and 199,513,200.90

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Solution

The fourth proportional to 291,346,205.70, 437,019,308.55 and 199,513,200.90 is: 299,269,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,346,205.70 : 437,019,308.55 = 199,513,200.90 : x
  2. Step 2: Convert to fraction form
    291,346,205.70/437,019,308.55 = 199,513,200.90/x
  3. Step 3: Cross multiply
    291,346,205.70x = 437,019,308.55 × 199,513,200.90
  4. Step 4: Simplify right side
    291,346,205.70x = 87,191,121,103,915,248
  5. Step 5: Solve for x
    x = 87,191,121,103,915,248/291,346,205.70
  6. Step 6: Final answer
    x = 299,269,801.35

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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.