Home / 117,052,690.32-161,530,596-64,841,564.16

Finding the Fourth Proportional to 117,052,690.32, 161,530,596 and 64,841,564.16

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Solution

The fourth proportional to 117,052,690.32, 161,530,596 and 64,841,564.16 is: 89,480,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,052,690.32 : 161,530,596 = 64,841,564.16 : x
  2. Step 2: Convert to fraction form
    117,052,690.32/161,530,596 = 64,841,564.16/x
  3. Step 3: Cross multiply
    117,052,690.32x = 161,530,596 × 64,841,564.16
  4. Step 4: Simplify right side
    117,052,690.32x = 10,473,896,504,337,038
  5. Step 5: Solve for x
    x = 10,473,896,504,337,038/117,052,690.32
  6. Step 6: Final answer
    x = 89,480,186.02

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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.