Home / 66,755,719.68-100,167,725.40-31,780,357.24

Finding the Fourth Proportional to 66,755,719.68, 100,167,725.40 and 31,780,357.24

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Solution

The fourth proportional to 66,755,719.68, 100,167,725.40 and 31,780,357.24 is: 47,686,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,755,719.68 : 100,167,725.40 = 31,780,357.24 : x
  2. Step 2: Convert to fraction form
    66,755,719.68/100,167,725.40 = 31,780,357.24/x
  3. Step 3: Cross multiply
    66,755,719.68x = 100,167,725.40 × 31,780,357.24
  4. Step 4: Simplify right side
    66,755,719.68x = 3,183,366,097,130,222
  5. Step 5: Solve for x
    x = 3,183,366,097,130,222/66,755,719.68
  6. Step 6: Final answer
    x = 47,686,791.67

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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.