Home / 117,079,339.41-161,567,386.70-64,867,328.28

Finding the Fourth Proportional to 117,079,339.41, 161,567,386.70 and 64,867,328.28

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Solution

The fourth proportional to 117,079,339.41, 161,567,386.70 and 64,867,328.28 is: 89,515,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,079,339.41 : 161,567,386.70 = 64,867,328.28 : x
  2. Step 2: Convert to fraction form
    117,079,339.41/161,567,386.70 = 64,867,328.28/x
  3. Step 3: Cross multiply
    117,079,339.41x = 161,567,386.70 × 64,867,328.28
  4. Step 4: Simplify right side
    117,079,339.41x = 10,480,444,712,086,268
  5. Step 5: Solve for x
    x = 10,480,444,712,086,268/117,079,339.41
  6. Step 6: Final answer
    x = 89,515,748.59

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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.