Home / 209,952,330.90-314,928,496.35-194,646,830.10

Finding the Fourth Proportional to 209,952,330.90, 314,928,496.35 and 194,646,830.10

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Solution

The fourth proportional to 209,952,330.90, 314,928,496.35 and 194,646,830.10 is: 291,970,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,330.90 : 314,928,496.35 = 194,646,830.10 : x
  2. Step 2: Convert to fraction form
    209,952,330.90/314,928,496.35 = 194,646,830.10/x
  3. Step 3: Cross multiply
    209,952,330.90x = 314,928,496.35 × 194,646,830.10
  4. Step 4: Simplify right side
    209,952,330.90x = 61,299,833,522,686,920
  5. Step 5: Solve for x
    x = 61,299,833,522,686,920/209,952,330.90
  6. Step 6: Final answer
    x = 291,970,245.15

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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.