Home / 66,194,574.80-99,291,862.20-20,750,464.40

Finding the Fourth Proportional to 66,194,574.80, 99,291,862.20 and 20,750,464.40

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Solution

The fourth proportional to 66,194,574.80, 99,291,862.20 and 20,750,464.40 is: 31,125,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194,574.80 : 99,291,862.20 = 20,750,464.40 : x
  2. Step 2: Convert to fraction form
    66,194,574.80/99,291,862.20 = 20,750,464.40/x
  3. Step 3: Cross multiply
    66,194,574.80x = 99,291,862.20 × 20,750,464.40
  4. Step 4: Simplify right side
    66,194,574.80x = 2,060,352,251,790,805.50
  5. Step 5: Solve for x
    x = 2,060,352,251,790,805.50/66,194,574.80
  6. Step 6: Final answer
    x = 31,125,696.60

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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.