Home / 117,915,730.34-162,735,816.65-70,888,028.54

Finding the Fourth Proportional to 117,915,730.34, 162,735,816.65 and 70,888,028.54

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Solution

The fourth proportional to 117,915,730.34, 162,735,816.65 and 70,888,028.54 is: 97,832,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,915,730.34 : 162,735,816.65 = 70,888,028.54 : x
  2. Step 2: Convert to fraction form
    117,915,730.34/162,735,816.65 = 70,888,028.54/x
  3. Step 3: Cross multiply
    117,915,730.34x = 162,735,816.65 × 70,888,028.54
  4. Step 4: Simplify right side
    117,915,730.34x = 11,536,021,213,997,288
  5. Step 5: Solve for x
    x = 11,536,021,213,997,288/117,915,730.34
  6. Step 6: Final answer
    x = 97,832,758.88

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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.