Home / 66,209,722.56-99,250,173.60-31,657,145.28

Finding the Fourth Proportional to 66,209,722.56, 99,250,173.60 and 31,657,145.28

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Solution

The fourth proportional to 66,209,722.56, 99,250,173.60 and 31,657,145.28 is: 47,454,921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209,722.56 : 99,250,173.60 = 31,657,145.28 : x
  2. Step 2: Convert to fraction form
    66,209,722.56/99,250,173.60 = 31,657,145.28/x
  3. Step 3: Cross multiply
    66,209,722.56x = 99,250,173.60 × 31,657,145.28
  4. Step 4: Simplify right side
    66,209,722.56x = 3,141,977,164,720,420.50
  5. Step 5: Solve for x
    x = 3,141,977,164,720,420.50/66,209,722.56
  6. Step 6: Final answer
    x = 47,454,921.17

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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.