Home / 42,497,021.40-63,745,532.10-33,993,965.40

Finding the Fourth Proportional to 42,497,021.40, 63,745,532.10 and 33,993,965.40

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Solution

The fourth proportional to 42,497,021.40, 63,745,532.10 and 33,993,965.40 is: 50,990,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,497,021.40 : 63,745,532.10 = 33,993,965.40 : x
  2. Step 2: Convert to fraction form
    42,497,021.40/63,745,532.10 = 33,993,965.40/x
  3. Step 3: Cross multiply
    42,497,021.40x = 63,745,532.10 × 33,993,965.40
  4. Step 4: Simplify right side
    42,497,021.40x = 2,166,963,412,611,989.25
  5. Step 5: Solve for x
    x = 2,166,963,412,611,989.25/42,497,021.40
  6. Step 6: Final answer
    x = 50,990,948.10

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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.