Home / 81,806,094.03-122,700,076.43-29,281,667.79

Finding the Fourth Proportional to 81,806,094.03, 122,700,076.43 and 29,281,667.79

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Solution

The fourth proportional to 81,806,094.03, 122,700,076.43 and 29,281,667.79 is: 43,919,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,806,094.03 : 122,700,076.43 = 29,281,667.79 : x
  2. Step 2: Convert to fraction form
    81,806,094.03/122,700,076.43 = 29,281,667.79/x
  3. Step 3: Cross multiply
    81,806,094.03x = 122,700,076.43 × 29,281,667.79
  4. Step 4: Simplify right side
    81,806,094.03x = 3,592,862,875,684,460.50
  5. Step 5: Solve for x
    x = 3,592,862,875,684,460.50/81,806,094.03
  6. Step 6: Final answer
    x = 43,919,257.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.