Home / 73,682,343,205.09-101,681,632,835.71-39,849,638,314.12

Finding the Fourth Proportional to 73,682,343,205.09, 101,681,632,835.71 and 39,849,638,314.12

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Solution

The fourth proportional to 73,682,343,205.09, 101,681,632,835.71 and 39,849,638,314.12 is: 54,992,500,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,682,343,205.09 : 101,681,632,835.71 = 39,849,638,314.12 : x
  2. Step 2: Convert to fraction form
    73,682,343,205.09/101,681,632,835.71 = 39,849,638,314.12/x
  3. Step 3: Cross multiply
    73,682,343,205.09x = 101,681,632,835.71 × 39,849,638,314.12
  4. Step 4: Simplify right side
    73,682,343,205.09x = 4,051,976,291,692,090,228,736
  5. Step 5: Solve for x
    x = 4,051,976,291,692,090,228,736/73,682,343,205.09
  6. Step 6: Final answer
    x = 54,992,500,447.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.