Home / 30,731,981.40-46,100,304.90-9,164,899.80

Finding the Fourth Proportional to 30,731,981.40, 46,100,304.90 and 9,164,899.80

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Solution

The fourth proportional to 30,731,981.40, 46,100,304.90 and 9,164,899.80 is: 13,748,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,731,981.40 : 46,100,304.90 = 9,164,899.80 : x
  2. Step 2: Convert to fraction form
    30,731,981.40/46,100,304.90 = 9,164,899.80/x
  3. Step 3: Cross multiply
    30,731,981.40x = 46,100,304.90 × 9,164,899.80
  4. Step 4: Simplify right side
    30,731,981.40x = 422,504,675,157,949.06
  5. Step 5: Solve for x
    x = 422,504,675,157,949.06/30,731,981.40
  6. Step 6: Final answer
    x = 13,748,045.39

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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.