Home / 55,691,975,020.80-83,537,962,531.20-18,928,540,012.80

Finding the Fourth Proportional to 55,691,975,020.80, 83,537,962,531.20 and 18,928,540,012.80

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Solution

The fourth proportional to 55,691,975,020.80, 83,537,962,531.20 and 18,928,540,012.80 is: 28,392,810,019.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,691,975,020.80 : 83,537,962,531.20 = 18,928,540,012.80 : x
  2. Step 2: Convert to fraction form
    55,691,975,020.80/83,537,962,531.20 = 18,928,540,012.80/x
  3. Step 3: Cross multiply
    55,691,975,020.80x = 83,537,962,531.20 × 18,928,540,012.80
  4. Step 4: Simplify right side
    55,691,975,020.80x = 1,581,251,666,359,606,312,960
  5. Step 5: Solve for x
    x = 1,581,251,666,359,606,312,960/55,691,975,020.80
  6. Step 6: Final answer
    x = 28,392,810,019.20

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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.