Home / 117,985,249,137.56-162,834,556,150.71-77,374,326,845.36

Finding the Fourth Proportional to 117,985,249,137.56, 162,834,556,150.71 and 77,374,326,845.36

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Solution

The fourth proportional to 117,985,249,137.56, 162,834,556,150.71 and 77,374,326,845.36 is: 106,786,350,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,985,249,137.56 : 162,834,556,150.71 = 77,374,326,845.36 : x
  2. Step 2: Convert to fraction form
    117,985,249,137.56/162,834,556,150.71 = 77,374,326,845.36/x
  3. Step 3: Cross multiply
    117,985,249,137.56x = 162,834,556,150.71 × 77,374,326,845.36
  4. Step 4: Simplify right side
    117,985,249,137.56x = 12,599,214,169,324,160,811,008
  5. Step 5: Solve for x
    x = 12,599,214,169,324,160,811,008/117,985,249,137.56
  6. Step 6: Final answer
    x = 106,786,350,509.25

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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.