Home / 42,526,719.20-63,746,533.20-20,928,101.60

Finding the Fourth Proportional to 42,526,719.20, 63,746,533.20 and 20,928,101.60

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Solution

The fourth proportional to 42,526,719.20, 63,746,533.20 and 20,928,101.60 is: 31,370,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,526,719.20 : 63,746,533.20 = 20,928,101.60 : x
  2. Step 2: Convert to fraction form
    42,526,719.20/63,746,533.20 = 20,928,101.60/x
  3. Step 3: Cross multiply
    42,526,719.20x = 63,746,533.20 × 20,928,101.60
  4. Step 4: Simplify right side
    42,526,719.20x = 1,334,093,923,457,373.25
  5. Step 5: Solve for x
    x = 1,334,093,923,457,373.25/42,526,719.20
  6. Step 6: Final answer
    x = 31,370,722.89

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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.