Home / 49,830,383.40-74,756,072.70-21,061,710.60

Finding the Fourth Proportional to 49,830,383.40, 74,756,072.70 and 21,061,710.60

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Solution

The fourth proportional to 49,830,383.40, 74,756,072.70 and 21,061,710.60 is: 31,597,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,830,383.40 : 74,756,072.70 = 21,061,710.60 : x
  2. Step 2: Convert to fraction form
    49,830,383.40/74,756,072.70 = 21,061,710.60/x
  3. Step 3: Cross multiply
    49,830,383.40x = 74,756,072.70 × 21,061,710.60
  4. Step 4: Simplify right side
    49,830,383.40x = 1,574,490,768,799,960.75
  5. Step 5: Solve for x
    x = 1,574,490,768,799,960.75/49,830,383.40
  6. Step 6: Final answer
    x = 31,597,002.90

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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.