Home / 44,009,946.80-66,014,920.20-42,143,998.40

Finding the Fourth Proportional to 44,009,946.80, 66,014,920.20 and 42,143,998.40

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Solution

The fourth proportional to 44,009,946.80, 66,014,920.20 and 42,143,998.40 is: 63,215,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,009,946.80 : 66,014,920.20 = 42,143,998.40 : x
  2. Step 2: Convert to fraction form
    44,009,946.80/66,014,920.20 = 42,143,998.40/x
  3. Step 3: Cross multiply
    44,009,946.80x = 66,014,920.20 × 42,143,998.40
  4. Step 4: Simplify right side
    44,009,946.80x = 2,782,132,691,284,927.50
  5. Step 5: Solve for x
    x = 2,782,132,691,284,927.50/44,009,946.80
  6. Step 6: Final answer
    x = 63,215,997.60

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Similar ratio
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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.