Home / 66,520,002.96-99,780,235.90-20,461,559.40

Finding the Fourth Proportional to 66,520,002.96, 99,780,235.90 and 20,461,559.40

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Solution

The fourth proportional to 66,520,002.96, 99,780,235.90 and 20,461,559.40 is: 30,692,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520,002.96 : 99,780,235.90 = 20,461,559.40 : x
  2. Step 2: Convert to fraction form
    66,520,002.96/99,780,235.90 = 20,461,559.40/x
  3. Step 3: Cross multiply
    66,520,002.96x = 99,780,235.90 × 20,461,559.40
  4. Step 4: Simplify right side
    66,520,002.96x = 2,041,659,223,813,862.50
  5. Step 5: Solve for x
    x = 2,041,659,223,813,862.50/66,520,002.96
  6. Step 6: Final answer
    x = 30,692,410.30

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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.