Home / 123,763,633,170.87-185,645,218,050.63-38,779,933,588.02

Finding the Fourth Proportional to 123,763,633,170.87, 185,645,218,050.63 and 38,779,933,588.02

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Solution

The fourth proportional to 123,763,633,170.87, 185,645,218,050.63 and 38,779,933,588.02 is: 58,169,827,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,763,633,170.87 : 185,645,218,050.63 = 38,779,933,588.02 : x
  2. Step 2: Convert to fraction form
    123,763,633,170.87/185,645,218,050.63 = 38,779,933,588.02/x
  3. Step 3: Cross multiply
    123,763,633,170.87x = 185,645,218,050.63 × 38,779,933,588.02
  4. Step 4: Simplify right side
    123,763,633,170.87x = 7,199,309,226,936,922,800,128
  5. Step 5: Solve for x
    x = 7,199,309,226,936,922,800,128/123,763,633,170.87
  6. Step 6: Final answer
    x = 58,169,827,779.68

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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.