Home / 99,512,196.80-149,334,650.40-45,631,774.40

Finding the Fourth Proportional to 99,512,196.80, 149,334,650.40 and 45,631,774.40

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Solution

The fourth proportional to 99,512,196.80, 149,334,650.40 and 45,631,774.40 is: 68,478,089.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,512,196.80 : 149,334,650.40 = 45,631,774.40 : x
  2. Step 2: Convert to fraction form
    99,512,196.80/149,334,650.40 = 45,631,774.40/x
  3. Step 3: Cross multiply
    99,512,196.80x = 149,334,650.40 × 45,631,774.40
  4. Step 4: Simplify right side
    99,512,196.80x = 6,814,405,077,155,670
  5. Step 5: Solve for x
    x = 6,814,405,077,155,670/99,512,196.80
  6. Step 6: Final answer
    x = 68,478,089.08

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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.