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Finding the Fourth Proportional to 149,485,779.80, 223,803,516.90 and 149,485,779.80

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Solution

The fourth proportional to 149,485,779.80, 223,803,516.90 and 149,485,779.80 is: 223,803,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,485,779.80 : 223,803,516.90 = 149,485,779.80 : x
  2. Step 2: Convert to fraction form
    149,485,779.80/223,803,516.90 = 149,485,779.80/x
  3. Step 3: Cross multiply
    149,485,779.80x = 223,803,516.90 × 149,485,779.80
  4. Step 4: Simplify right side
    149,485,779.80x = 33,455,443,245,778,984
  5. Step 5: Solve for x
    x = 33,455,443,245,778,984/149,485,779.80
  6. Step 6: Final answer
    x = 223,803,516.90

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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.