Home / 30,146,176.90-45,219,265.35-18,667,051.30

Finding the Fourth Proportional to 30,146,176.90, 45,219,265.35 and 18,667,051.30

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Solution

The fourth proportional to 30,146,176.90, 45,219,265.35 and 18,667,051.30 is: 28,000,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,176.90 : 45,219,265.35 = 18,667,051.30 : x
  2. Step 2: Convert to fraction form
    30,146,176.90/45,219,265.35 = 18,667,051.30/x
  3. Step 3: Cross multiply
    30,146,176.90x = 45,219,265.35 × 18,667,051.30
  4. Step 4: Simplify right side
    30,146,176.90x = 844,110,346,036,762.50
  5. Step 5: Solve for x
    x = 844,110,346,036,762.50/30,146,176.90
  6. Step 6: Final answer
    x = 28,000,576.95

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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.