Home / 295,237,942.80-442,854,581.40-76,887,862.80

Finding the Fourth Proportional to 295,237,942.80, 442,854,581.40 and 76,887,862.80

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Solution

The fourth proportional to 295,237,942.80, 442,854,581.40 and 76,887,862.80 is: 115,331,186.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,237,942.80 : 442,854,581.40 = 76,887,862.80 : x
  2. Step 2: Convert to fraction form
    295,237,942.80/442,854,581.40 = 76,887,862.80/x
  3. Step 3: Cross multiply
    295,237,942.80x = 442,854,581.40 × 76,887,862.80
  4. Step 4: Simplify right side
    295,237,942.80x = 34,050,142,295,034,628
  5. Step 5: Solve for x
    x = 34,050,142,295,034,628/295,237,942.80
  6. Step 6: Final answer
    x = 115,331,186.68

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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.