Home / 85,155,979.83-117,515,234-45,997,756.98

Finding the Fourth Proportional to 85,155,979.83, 117,515,234 and 45,997,756.98

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Solution

The fourth proportional to 85,155,979.83, 117,515,234 and 45,997,756.98 is: 63,476,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,155,979.83 : 117,515,234 = 45,997,756.98 : x
  2. Step 2: Convert to fraction form
    85,155,979.83/117,515,234 = 45,997,756.98/x
  3. Step 3: Cross multiply
    85,155,979.83x = 117,515,234 × 45,997,756.98
  4. Step 4: Simplify right side
    85,155,979.83x = 5,405,437,174,979,833
  5. Step 5: Solve for x
    x = 5,405,437,174,979,833/85,155,979.83
  6. Step 6: Final answer
    x = 63,476,894.82

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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.