Home / 42,203,008.49-63,303,331.76-13,450,869.41

Finding the Fourth Proportional to 42,203,008.49, 63,303,331.76 and 13,450,869.41

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Solution

The fourth proportional to 42,203,008.49, 63,303,331.76 and 13,450,869.41 is: 20,175,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203,008.49 : 63,303,331.76 = 13,450,869.41 : x
  2. Step 2: Convert to fraction form
    42,203,008.49/63,303,331.76 = 13,450,869.41/x
  3. Step 3: Cross multiply
    42,203,008.49x = 63,303,331.76 × 13,450,869.41
  4. Step 4: Simplify right side
    42,203,008.49x = 851,484,848,812,669.50
  5. Step 5: Solve for x
    x = 851,484,848,812,669.50/42,203,008.49
  6. Step 6: Final answer
    x = 20,175,927.72

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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.