Home / 147,744,137.80-221,616,206.70-45,494,889.40

Finding the Fourth Proportional to 147,744,137.80, 221,616,206.70 and 45,494,889.40

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Solution

The fourth proportional to 147,744,137.80, 221,616,206.70 and 45,494,889.40 is: 68,242,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,137.80 : 221,616,206.70 = 45,494,889.40 : x
  2. Step 2: Convert to fraction form
    147,744,137.80/221,616,206.70 = 45,494,889.40/x
  3. Step 3: Cross multiply
    147,744,137.80x = 221,616,206.70 × 45,494,889.40
  4. Step 4: Simplify right side
    147,744,137.80x = 10,082,404,813,064,038
  5. Step 5: Solve for x
    x = 10,082,404,813,064,038/147,744,137.80
  6. Step 6: Final answer
    x = 68,242,334.10

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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.