Home / 85,554,834.90-118,070,665.73-48,388,410.15

Finding the Fourth Proportional to 85,554,834.90, 118,070,665.73 and 48,388,410.15

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Solution

The fourth proportional to 85,554,834.90, 118,070,665.73 and 48,388,410.15 is: 66,778,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,554,834.90 : 118,070,665.73 = 48,388,410.15 : x
  2. Step 2: Convert to fraction form
    85,554,834.90/118,070,665.73 = 48,388,410.15/x
  3. Step 3: Cross multiply
    85,554,834.90x = 118,070,665.73 × 48,388,410.15
  4. Step 4: Simplify right side
    85,554,834.90x = 5,713,251,799,784,847
  5. Step 5: Solve for x
    x = 5,713,251,799,784,847/85,554,834.90
  6. Step 6: Final answer
    x = 66,778,830.28

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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.