Home / 154,674,695.56-213,390,667.74-88,559,859.56

Finding the Fourth Proportional to 154,674,695.56, 213,390,667.74 and 88,559,859.56

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Solution

The fourth proportional to 154,674,695.56, 213,390,667.74 and 88,559,859.56 is: 122,178,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,674,695.56 : 213,390,667.74 = 88,559,859.56 : x
  2. Step 2: Convert to fraction form
    154,674,695.56/213,390,667.74 = 88,559,859.56/x
  3. Step 3: Cross multiply
    154,674,695.56x = 213,390,667.74 × 88,559,859.56
  4. Step 4: Simplify right side
    154,674,695.56x = 18,897,847,566,469,024
  5. Step 5: Solve for x
    x = 18,897,847,566,469,024/154,674,695.56
  6. Step 6: Final answer
    x = 122,178,016.89

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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.