Home / 66,649,416.63-99,938,176.95-30,237,939.69

Finding the Fourth Proportional to 66,649,416.63, 99,938,176.95 and 30,237,939.69

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Solution

The fourth proportional to 66,649,416.63, 99,938,176.95 and 30,237,939.69 is: 45,340,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,649,416.63 : 99,938,176.95 = 30,237,939.69 : x
  2. Step 2: Convert to fraction form
    66,649,416.63/99,938,176.95 = 30,237,939.69/x
  3. Step 3: Cross multiply
    66,649,416.63x = 99,938,176.95 × 30,237,939.69
  4. Step 4: Simplify right side
    66,649,416.63x = 3,021,924,567,342,648.50
  5. Step 5: Solve for x
    x = 3,021,924,567,342,648.50/66,649,416.63
  6. Step 6: Final answer
    x = 45,340,600.42

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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.