Home / 117,120,933.56-161,626,903.70-64,913,339.80

Finding the Fourth Proportional to 117,120,933.56, 161,626,903.70 and 64,913,339.80

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Solution

The fourth proportional to 117,120,933.56, 161,626,903.70 and 64,913,339.80 is: 89,580,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120,933.56 : 161,626,903.70 = 64,913,339.80 : x
  2. Step 2: Convert to fraction form
    117,120,933.56/161,626,903.70 = 64,913,339.80/x
  3. Step 3: Cross multiply
    117,120,933.56x = 161,626,903.70 × 64,913,339.80
  4. Step 4: Simplify right side
    117,120,933.56x = 10,491,742,120,699,976
  5. Step 5: Solve for x
    x = 10,491,742,120,699,976/117,120,933.56
  6. Step 6: Final answer
    x = 89,580,417.45

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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.