Home / 209,953,061.90-314,929,592.86-194,647,561.10

Finding the Fourth Proportional to 209,953,061.90, 314,929,592.86 and 194,647,561.10

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Solution

The fourth proportional to 209,953,061.90, 314,929,592.86 and 194,647,561.10 is: 291,971,341.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,061.90 : 314,929,592.86 = 194,647,561.10 : x
  2. Step 2: Convert to fraction form
    209,953,061.90/314,929,592.86 = 194,647,561.10/x
  3. Step 3: Cross multiply
    209,953,061.90x = 314,929,592.86 × 194,647,561.10
  4. Step 4: Simplify right side
    209,953,061.90x = 61,300,277,168,414,976
  5. Step 5: Solve for x
    x = 61,300,277,168,414,976/209,953,061.90
  6. Step 6: Final answer
    x = 291,971,341.66

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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.