Home / 30,146,200.90-45,219,301.35-18,667,075.30

Finding the Fourth Proportional to 30,146,200.90, 45,219,301.35 and 18,667,075.30

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Solution

The fourth proportional to 30,146,200.90, 45,219,301.35 and 18,667,075.30 is: 28,000,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146,200.90 : 45,219,301.35 = 18,667,075.30 : x
  2. Step 2: Convert to fraction form
    30,146,200.90/45,219,301.35 = 18,667,075.30/x
  3. Step 3: Cross multiply
    30,146,200.90x = 45,219,301.35 × 18,667,075.30
  4. Step 4: Simplify right side
    30,146,200.90x = 844,112,103,313,841.75
  5. Step 5: Solve for x
    x = 844,112,103,313,841.75/30,146,200.90
  6. Step 6: Final answer
    x = 28,000,612.95

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1.5x scale

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.