Home / 74,679,966.30-112,019,949.45-65,722,014.30

Finding the Fourth Proportional to 74,679,966.30, 112,019,949.45 and 65,722,014.30

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Solution

The fourth proportional to 74,679,966.30, 112,019,949.45 and 65,722,014.30 is: 98,583,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,679,966.30 : 112,019,949.45 = 65,722,014.30 : x
  2. Step 2: Convert to fraction form
    74,679,966.30/112,019,949.45 = 65,722,014.30/x
  3. Step 3: Cross multiply
    74,679,966.30x = 112,019,949.45 × 65,722,014.30
  4. Step 4: Simplify right side
    74,679,966.30x = 7,362,176,719,638,177
  5. Step 5: Solve for x
    x = 7,362,176,719,638,177/74,679,966.30
  6. Step 6: Final answer
    x = 98,583,021.45

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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.