Home / 64,445,680.20-88,936,963.37-39,680,154.37

Finding the Fourth Proportional to 64,445,680.20, 88,936,963.37 and 39,680,154.37

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Solution

The fourth proportional to 64,445,680.20, 88,936,963.37 and 39,680,154.37 is: 54,759,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,445,680.20 : 88,936,963.37 = 39,680,154.37 : x
  2. Step 2: Convert to fraction form
    64,445,680.20/88,936,963.37 = 39,680,154.37/x
  3. Step 3: Cross multiply
    64,445,680.20x = 88,936,963.37 × 39,680,154.37
  4. Step 4: Simplify right side
    64,445,680.20x = 3,529,032,435,720,635.50
  5. Step 5: Solve for x
    x = 3,529,032,435,720,635.50/64,445,680.20
  6. Step 6: Final answer
    x = 54,759,798.09

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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.