Home / 123,763,639,196.34-185,645,226,906.87-38,779,939,542.33

Finding the Fourth Proportional to 123,763,639,196.34, 185,645,226,906.87 and 38,779,939,542.33

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Solution

The fourth proportional to 123,763,639,196.34, 185,645,226,906.87 and 38,779,939,542.33 is: 58,169,836,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,639,196.34 : 185,645,226,906.87 = 38,779,939,542.33 : x
  2. Step 2: Convert to fraction form
    123,763,639,196.34/185,645,226,906.87 = 38,779,939,542.33/x
  3. Step 3: Cross multiply
    123,763,639,196.34x = 185,645,226,906.87 × 38,779,939,542.33
  4. Step 4: Simplify right side
    123,763,639,196.34x = 7,199,310,675,770,553,139,200
  5. Step 5: Solve for x
    x = 7,199,310,675,770,553,139,200/123,763,639,196.34
  6. Step 6: Final answer
    x = 58,169,836,654.12

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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.