Home / 85,845,046.48-118,778,089.44-74,854,715.56

Finding the Fourth Proportional to 85,845,046.48, 118,778,089.44 and 74,854,715.56

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Solution

The fourth proportional to 85,845,046.48, 118,778,089.44 and 74,854,715.56 is: 103,571,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,845,046.48 : 118,778,089.44 = 74,854,715.56 : x
  2. Step 2: Convert to fraction form
    85,845,046.48/118,778,089.44 = 74,854,715.56/x
  3. Step 3: Cross multiply
    85,845,046.48x = 118,778,089.44 × 74,854,715.56
  4. Step 4: Simplify right side
    85,845,046.48x = 8,891,100,099,791,440
  5. Step 5: Solve for x
    x = 8,891,100,099,791,440/85,845,046.48
  6. Step 6: Final answer
    x = 103,571,498.47

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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.