Home / 115,978,558.74-160,051,043.66-68,295,893.46

Finding the Fourth Proportional to 115,978,558.74, 160,051,043.66 and 68,295,893.46

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Solution

The fourth proportional to 115,978,558.74, 160,051,043.66 and 68,295,893.46 is: 94,248,705.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,978,558.74 : 160,051,043.66 = 68,295,893.46 : x
  2. Step 2: Convert to fraction form
    115,978,558.74/160,051,043.66 = 68,295,893.46/x
  3. Step 3: Cross multiply
    115,978,558.74x = 160,051,043.66 × 68,295,893.46
  4. Step 4: Simplify right side
    115,978,558.74x = 10,930,829,025,623,688
  5. Step 5: Solve for x
    x = 10,930,829,025,623,688/115,978,558.74
  6. Step 6: Final answer
    x = 94,248,705.49

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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.