Home / 66,423,381.92-99,648,522.80-28,084,834.56

Finding the Fourth Proportional to 66,423,381.92, 99,648,522.80 and 28,084,834.56

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Solution

The fourth proportional to 66,423,381.92, 99,648,522.80 and 28,084,834.56 is: 42,132,938.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,423,381.92 : 99,648,522.80 = 28,084,834.56 : x
  2. Step 2: Convert to fraction form
    66,423,381.92/99,648,522.80 = 28,084,834.56/x
  3. Step 3: Cross multiply
    66,423,381.92x = 99,648,522.80 × 28,084,834.56
  4. Step 4: Simplify right side
    66,423,381.92x = 2,798,612,276,986,388
  5. Step 5: Solve for x
    x = 2,798,612,276,986,388/66,423,381.92
  6. Step 6: Final answer
    x = 42,132,938.67

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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.