Home / 49,765,894.40-74,648,841.60-21,044,460.80

Finding the Fourth Proportional to 49,765,894.40, 74,648,841.60 and 21,044,460.80

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Solution

The fourth proportional to 49,765,894.40, 74,648,841.60 and 21,044,460.80 is: 31,566,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,765,894.40 : 74,648,841.60 = 21,044,460.80 : x
  2. Step 2: Convert to fraction form
    49,765,894.40/74,648,841.60 = 21,044,460.80/x
  3. Step 3: Cross multiply
    49,765,894.40x = 74,648,841.60 × 21,044,460.80
  4. Step 4: Simplify right side
    49,765,894.40x = 1,570,944,620,816,609.25
  5. Step 5: Solve for x
    x = 1,570,944,620,816,609.25/49,765,894.40
  6. Step 6: Final answer
    x = 31,566,691.20

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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.