Home / 117,010,515.30-161,477,124.29-66,773,733.51

Finding the Fourth Proportional to 117,010,515.30, 161,477,124.29 and 66,773,733.51

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Solution

The fourth proportional to 117,010,515.30, 161,477,124.29 and 66,773,733.51 is: 92,149,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,010,515.30 : 161,477,124.29 = 66,773,733.51 : x
  2. Step 2: Convert to fraction form
    117,010,515.30/161,477,124.29 = 66,773,733.51/x
  3. Step 3: Cross multiply
    117,010,515.30x = 161,477,124.29 × 66,773,733.51
  4. Step 4: Simplify right side
    117,010,515.30x = 10,782,430,465,301,608
  5. Step 5: Solve for x
    x = 10,782,430,465,301,608/117,010,515.30
  6. Step 6: Final answer
    x = 92,149,243.49

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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.