Home / 66,562,938.20-99,814,916.10-30,672,147.80

Finding the Fourth Proportional to 66,562,938.20, 99,814,916.10 and 30,672,147.80

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Solution

The fourth proportional to 66,562,938.20, 99,814,916.10 and 30,672,147.80 is: 45,994,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,562,938.20 : 99,814,916.10 = 30,672,147.80 : x
  2. Step 2: Convert to fraction form
    66,562,938.20/99,814,916.10 = 30,672,147.80/x
  3. Step 3: Cross multiply
    66,562,938.20x = 99,814,916.10 × 30,672,147.80
  4. Step 4: Simplify right side
    66,562,938.20x = 3,061,537,859,263,799.50
  5. Step 5: Solve for x
    x = 3,061,537,859,263,799.50/66,562,938.20
  6. Step 6: Final answer
    x = 45,994,632.18

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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.