Home / 203,310,011.40-304,965,017.10-66,977,680.20

Finding the Fourth Proportional to 203,310,011.40, 304,965,017.10 and 66,977,680.20

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Solution

The fourth proportional to 203,310,011.40, 304,965,017.10 and 66,977,680.20 is: 100,466,520.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,310,011.40 : 304,965,017.10 = 66,977,680.20 : x
  2. Step 2: Convert to fraction form
    203,310,011.40/304,965,017.10 = 66,977,680.20/x
  3. Step 3: Cross multiply
    203,310,011.40x = 304,965,017.10 × 66,977,680.20
  4. Step 4: Simplify right side
    203,310,011.40x = 20,425,849,387,511,332
  5. Step 5: Solve for x
    x = 20,425,849,387,511,332/203,310,011.40
  6. Step 6: Final answer
    x = 100,466,520.30

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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.