Home / 77,334,427.01-107,002,538.80-67,431,944.41

Finding the Fourth Proportional to 77,334,427.01, 107,002,538.80 and 67,431,944.41

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Solution

The fourth proportional to 77,334,427.01, 107,002,538.80 and 67,431,944.41 is: 93,301,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334,427.01 : 107,002,538.80 = 67,431,944.41 : x
  2. Step 2: Convert to fraction form
    77,334,427.01/107,002,538.80 = 67,431,944.41/x
  3. Step 3: Cross multiply
    77,334,427.01x = 107,002,538.80 × 67,431,944.41
  4. Step 4: Simplify right side
    77,334,427.01x = 7,215,389,247,654,382
  5. Step 5: Solve for x
    x = 7,215,389,247,654,382/77,334,427.01
  6. Step 6: Final answer
    x = 93,301,127.67

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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.