Home / 117,915,448.59-162,721,138.95-64,270,572.57

Finding the Fourth Proportional to 117,915,448.59, 162,721,138.95 and 64,270,572.57

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Solution

The fourth proportional to 117,915,448.59, 162,721,138.95 and 64,270,572.57 is: 88,692,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,915,448.59 : 162,721,138.95 = 64,270,572.57 : x
  2. Step 2: Convert to fraction form
    117,915,448.59/162,721,138.95 = 64,270,572.57/x
  3. Step 3: Cross multiply
    117,915,448.59x = 162,721,138.95 × 64,270,572.57
  4. Step 4: Simplify right side
    117,915,448.59x = 10,458,180,769,559,028
  5. Step 5: Solve for x
    x = 10,458,180,769,559,028/117,915,448.59
  6. Step 6: Final answer
    x = 88,692,201.87

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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.