Home / 209,953,043.90-314,929,565.85-194,647,543.10

Finding the Fourth Proportional to 209,953,043.90, 314,929,565.85 and 194,647,543.10

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Solution

The fourth proportional to 209,953,043.90, 314,929,565.85 and 194,647,543.10 is: 291,971,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,043.90 : 314,929,565.85 = 194,647,543.10 : x
  2. Step 2: Convert to fraction form
    209,953,043.90/314,929,565.85 = 194,647,543.10/x
  3. Step 3: Cross multiply
    209,953,043.90x = 314,929,565.85 × 194,647,543.10
  4. Step 4: Simplify right side
    209,953,043.90x = 61,300,266,242,252,168
  5. Step 5: Solve for x
    x = 61,300,266,242,252,168/209,953,043.90
  6. Step 6: Final answer
    x = 291,971,314.65

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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.