Home / 209,953,020.90-314,929,531.35-194,647,520.10

Finding the Fourth Proportional to 209,953,020.90, 314,929,531.35 and 194,647,520.10

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Solution

The fourth proportional to 209,953,020.90, 314,929,531.35 and 194,647,520.10 is: 291,971,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,020.90 : 314,929,531.35 = 194,647,520.10 : x
  2. Step 2: Convert to fraction form
    209,953,020.90/314,929,531.35 = 194,647,520.10/x
  3. Step 3: Cross multiply
    209,953,020.90x = 314,929,531.35 × 194,647,520.10
  4. Step 4: Simplify right side
    209,953,020.90x = 61,300,252,283,532,704
  5. Step 5: Solve for x
    x = 61,300,252,283,532,704/209,953,020.90
  6. Step 6: Final answer
    x = 291,971,280.15

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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.