Home / 47,318,115.40-70,937,807.10-20,045,350.60

Finding the Fourth Proportional to 47,318,115.40, 70,937,807.10 and 20,045,350.60

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Solution

The fourth proportional to 47,318,115.40, 70,937,807.10 and 20,045,350.60 is: 30,051,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,318,115.40 : 70,937,807.10 = 20,045,350.60 : x
  2. Step 2: Convert to fraction form
    47,318,115.40/70,937,807.10 = 20,045,350.60/x
  3. Step 3: Cross multiply
    47,318,115.40x = 70,937,807.10 × 20,045,350.60
  4. Step 4: Simplify right side
    47,318,115.40x = 1,421,973,214,114,669.25
  5. Step 5: Solve for x
    x = 1,421,973,214,114,669.25/47,318,115.40
  6. Step 6: Final answer
    x = 30,051,349.30

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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.