Home / 74,117,518.79-102,222,536.51-65,157,471.06

Finding the Fourth Proportional to 74,117,518.79, 102,222,536.51 and 65,157,471.06

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Solution

The fourth proportional to 74,117,518.79, 102,222,536.51 and 65,157,471.06 is: 89,864,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,117,518.79 : 102,222,536.51 = 65,157,471.06 : x
  2. Step 2: Convert to fraction form
    74,117,518.79/102,222,536.51 = 65,157,471.06/x
  3. Step 3: Cross multiply
    74,117,518.79x = 102,222,536.51 × 65,157,471.06
  4. Step 4: Simplify right side
    74,117,518.79x = 6,660,561,964,004,331
  5. Step 5: Solve for x
    x = 6,660,561,964,004,331/74,117,518.79
  6. Step 6: Final answer
    x = 89,864,880.44

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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.