Home / 55,145,071.60-82,721,293.80-18,752,930.80

Finding the Fourth Proportional to 55,145,071.60, 82,721,293.80 and 18,752,930.80

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Solution

The fourth proportional to 55,145,071.60, 82,721,293.80 and 18,752,930.80 is: 28,130,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,145,071.60 : 82,721,293.80 = 18,752,930.80 : x
  2. Step 2: Convert to fraction form
    55,145,071.60/82,721,293.80 = 18,752,930.80/x
  3. Step 3: Cross multiply
    55,145,071.60x = 82,721,293.80 × 18,752,930.80
  4. Step 4: Simplify right side
    55,145,071.60x = 1,551,266,698,317,869
  5. Step 5: Solve for x
    x = 1,551,266,698,317,869/55,145,071.60
  6. Step 6: Final answer
    x = 28,130,649.82

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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.