Home / 53,091,288,008.55-79,636,932,012.83-21,631,787,707.95

Finding the Fourth Proportional to 53,091,288,008.55, 79,636,932,012.83 and 21,631,787,707.95

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Solution

The fourth proportional to 53,091,288,008.55, 79,636,932,012.83 and 21,631,787,707.95 is: 32,447,681,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,091,288,008.55 : 79,636,932,012.83 = 21,631,787,707.95 : x
  2. Step 2: Convert to fraction form
    53,091,288,008.55/79,636,932,012.83 = 21,631,787,707.95/x
  3. Step 3: Cross multiply
    53,091,288,008.55x = 79,636,932,012.83 × 21,631,787,707.95
  4. Step 4: Simplify right side
    53,091,288,008.55x = 1,722,689,207,013,877,743,616
  5. Step 5: Solve for x
    x = 1,722,689,207,013,877,743,616/53,091,288,008.55
  6. Step 6: Final answer
    x = 32,447,681,561.93

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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.