Home / 209,952,355.80-314,928,533.70-123,646,337.40

Finding the Fourth Proportional to 209,952,355.80, 314,928,533.70 and 123,646,337.40

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Solution

The fourth proportional to 209,952,355.80, 314,928,533.70 and 123,646,337.40 is: 185,469,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,355.80 : 314,928,533.70 = 123,646,337.40 : x
  2. Step 2: Convert to fraction form
    209,952,355.80/314,928,533.70 = 123,646,337.40/x
  3. Step 3: Cross multiply
    209,952,355.80x = 314,928,533.70 × 123,646,337.40
  4. Step 4: Simplify right side
    209,952,355.80x = 38,939,759,734,757,472
  5. Step 5: Solve for x
    x = 38,939,759,734,757,472/209,952,355.80
  6. Step 6: Final answer
    x = 185,469,506.10

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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.