Home / 209,952,373.10-314,928,559.65-194,646,872.30

Finding the Fourth Proportional to 209,952,373.10, 314,928,559.65 and 194,646,872.30

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Solution

The fourth proportional to 209,952,373.10, 314,928,559.65 and 194,646,872.30 is: 291,970,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,373.10 : 314,928,559.65 = 194,646,872.30 : x
  2. Step 2: Convert to fraction form
    209,952,373.10/314,928,559.65 = 194,646,872.30/x
  3. Step 3: Cross multiply
    209,952,373.10x = 314,928,559.65 × 194,646,872.30
  4. Step 4: Simplify right side
    209,952,373.10x = 61,299,859,133,816,480
  5. Step 5: Solve for x
    x = 61,299,859,133,816,480/209,952,373.10
  6. Step 6: Final answer
    x = 291,970,308.45

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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.