Home / 210,339,883.35-315,494,878.24-64,758,264.41

Finding the Fourth Proportional to 210,339,883.35, 315,494,878.24 and 64,758,264.41

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Solution

The fourth proportional to 210,339,883.35, 315,494,878.24 and 64,758,264.41 is: 97,132,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,339,883.35 : 315,494,878.24 = 64,758,264.41 : x
  2. Step 2: Convert to fraction form
    210,339,883.35/315,494,878.24 = 64,758,264.41/x
  3. Step 3: Cross multiply
    210,339,883.35x = 315,494,878.24 × 64,758,264.41
  4. Step 4: Simplify right side
    210,339,883.35x = 20,430,900,744,742,884
  5. Step 5: Solve for x
    x = 20,430,900,744,742,884/210,339,883.35
  6. Step 6: Final answer
    x = 97,132,794.88

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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.