Home / 117,915,730.74-162,735,817.17-70,888,028.90

Finding the Fourth Proportional to 117,915,730.74, 162,735,817.17 and 70,888,028.90

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Solution

The fourth proportional to 117,915,730.74, 162,735,817.17 and 70,888,028.90 is: 97,832,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,915,730.74 : 162,735,817.17 = 70,888,028.90 : x
  2. Step 2: Convert to fraction form
    117,915,730.74/162,735,817.17 = 70,888,028.90/x
  3. Step 3: Cross multiply
    117,915,730.74x = 162,735,817.17 × 70,888,028.90
  4. Step 4: Simplify right side
    117,915,730.74x = 11,536,021,309,798,396
  5. Step 5: Solve for x
    x = 11,536,021,309,798,396/117,915,730.74
  6. Step 6: Final answer
    x = 97,832,759.36

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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.