Home / 119,882,771.42-165,438,222.53-64,878,627.92

Finding the Fourth Proportional to 119,882,771.42, 165,438,222.53 and 64,878,627.92

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Solution

The fourth proportional to 119,882,771.42, 165,438,222.53 and 64,878,627.92 is: 89,532,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,882,771.42 : 165,438,222.53 = 64,878,627.92 : x
  2. Step 2: Convert to fraction form
    119,882,771.42/165,438,222.53 = 64,878,627.92/x
  3. Step 3: Cross multiply
    119,882,771.42x = 165,438,222.53 × 64,878,627.92
  4. Step 4: Simplify right side
    119,882,771.42x = 10,733,404,882,118,448
  5. Step 5: Solve for x
    x = 10,733,404,882,118,448/119,882,771.42
  6. Step 6: Final answer
    x = 89,532,505.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.