Home / 117,985,249,138.06-162,834,556,151.40-77,374,326,845.86

Finding the Fourth Proportional to 117,985,249,138.06, 162,834,556,151.40 and 77,374,326,845.86

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Solution

The fourth proportional to 117,985,249,138.06, 162,834,556,151.40 and 77,374,326,845.86 is: 106,786,350,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,985,249,138.06 : 162,834,556,151.40 = 77,374,326,845.86 : x
  2. Step 2: Convert to fraction form
    117,985,249,138.06/162,834,556,151.40 = 77,374,326,845.86/x
  3. Step 3: Cross multiply
    117,985,249,138.06x = 162,834,556,151.40 × 77,374,326,845.86
  4. Step 4: Simplify right side
    117,985,249,138.06x = 12,599,214,169,458,965,741,568
  5. Step 5: Solve for x
    x = 12,599,214,169,458,965,741,568/117,985,249,138.06
  6. Step 6: Final answer
    x = 106,786,350,509.94

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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.