Home / 295,248,708.80-442,870,730.40-76,898,628.80

Finding the Fourth Proportional to 295,248,708.80, 442,870,730.40 and 76,898,628.80

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Solution

The fourth proportional to 295,248,708.80, 442,870,730.40 and 76,898,628.80 is: 115,347,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,248,708.80 : 442,870,730.40 = 76,898,628.80 : x
  2. Step 2: Convert to fraction form
    295,248,708.80/442,870,730.40 = 76,898,628.80/x
  3. Step 3: Cross multiply
    295,248,708.80x = 442,870,730.40 × 76,898,628.80
  4. Step 4: Simplify right side
    295,248,708.80x = 34,056,151,903,414,472
  5. Step 5: Solve for x
    x = 34,056,151,903,414,472/295,248,708.80
  6. Step 6: Final answer
    x = 115,347,335.61

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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.