Home / 295,237,999.80-442,854,666.90-76,887,919.80

Finding the Fourth Proportional to 295,237,999.80, 442,854,666.90 and 76,887,919.80

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Solution

The fourth proportional to 295,237,999.80, 442,854,666.90 and 76,887,919.80 is: 115,331,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,237,999.80 : 442,854,666.90 = 76,887,919.80 : x
  2. Step 2: Convert to fraction form
    295,237,999.80/442,854,666.90 = 76,887,919.80/x
  3. Step 3: Cross multiply
    295,237,999.80x = 442,854,666.90 × 76,887,919.80
  4. Step 4: Simplify right side
    295,237,999.80x = 34,050,174,111,662,912
  5. Step 5: Solve for x
    x = 34,050,174,111,662,912/295,237,999.80
  6. Step 6: Final answer
    x = 115,331,272.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.