Home / 99,405,235.78-149,038,572.48-44,042,978.55

Finding the Fourth Proportional to 99,405,235.78, 149,038,572.48 and 44,042,978.55

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Solution

The fourth proportional to 99,405,235.78, 149,038,572.48 and 44,042,978.55 is: 66,033,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,405,235.78 : 149,038,572.48 = 44,042,978.55 : x
  2. Step 2: Convert to fraction form
    99,405,235.78/149,038,572.48 = 44,042,978.55/x
  3. Step 3: Cross multiply
    99,405,235.78x = 149,038,572.48 × 44,042,978.55
  4. Step 4: Simplify right side
    99,405,235.78x = 6,564,102,650,833,599
  5. Step 5: Solve for x
    x = 6,564,102,650,833,599/99,405,235.78
  6. Step 6: Final answer
    x = 66,033,771.75

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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.