Home / 66,426,720.20-99,640,080.30-48,286,867.40

Finding the Fourth Proportional to 66,426,720.20, 99,640,080.30 and 48,286,867.40

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Solution

The fourth proportional to 66,426,720.20, 99,640,080.30 and 48,286,867.40 is: 72,430,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,426,720.20 : 99,640,080.30 = 48,286,867.40 : x
  2. Step 2: Convert to fraction form
    66,426,720.20/99,640,080.30 = 48,286,867.40/x
  3. Step 3: Cross multiply
    66,426,720.20x = 99,640,080.30 × 48,286,867.40
  4. Step 4: Simplify right side
    66,426,720.20x = 4,811,307,345,171,452
  5. Step 5: Solve for x
    x = 4,811,307,345,171,452/66,426,720.20
  6. Step 6: Final answer
    x = 72,430,301.10

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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.