Home / 78,888,892.26-108,877,485.45-45,397,683.42

Finding the Fourth Proportional to 78,888,892.26, 108,877,485.45 and 45,397,683.42

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Solution

The fourth proportional to 78,888,892.26, 108,877,485.45 and 45,397,683.42 is: 62,655,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,888,892.26 : 108,877,485.45 = 45,397,683.42 : x
  2. Step 2: Convert to fraction form
    78,888,892.26/108,877,485.45 = 45,397,683.42/x
  3. Step 3: Cross multiply
    78,888,892.26x = 108,877,485.45 × 45,397,683.42
  4. Step 4: Simplify right side
    78,888,892.26x = 4,942,785,616,024,757
  5. Step 5: Solve for x
    x = 4,942,785,616,024,757/78,888,892.26
  6. Step 6: Final answer
    x = 62,655,026.26

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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.