Home / 210,339,883.22-315,494,878.05-64,758,264.28

Finding the Fourth Proportional to 210,339,883.22, 315,494,878.05 and 64,758,264.28

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Solution

The fourth proportional to 210,339,883.22, 315,494,878.05 and 64,758,264.28 is: 97,132,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,339,883.22 : 315,494,878.05 = 64,758,264.28 : x
  2. Step 2: Convert to fraction form
    210,339,883.22/315,494,878.05 = 64,758,264.28/x
  3. Step 3: Cross multiply
    210,339,883.22x = 315,494,878.05 × 64,758,264.28
  4. Step 4: Simplify right side
    210,339,883.22x = 20,430,900,691,748,272
  5. Step 5: Solve for x
    x = 20,430,900,691,748,272/210,339,883.22
  6. Step 6: Final answer
    x = 97,132,794.69

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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.