Home / 351,021,102.12-484,424,347.95-194,388,209.13

Finding the Fourth Proportional to 351,021,102.12, 484,424,347.95 and 194,388,209.13

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Solution

The fourth proportional to 351,021,102.12, 484,424,347.95 and 194,388,209.13 is: 268,264,161.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,021,102.12 : 484,424,347.95 = 194,388,209.13 : x
  2. Step 2: Convert to fraction form
    351,021,102.12/484,424,347.95 = 194,388,209.13/x
  3. Step 3: Cross multiply
    351,021,102.12x = 484,424,347.95 × 194,388,209.13
  4. Step 4: Simplify right side
    351,021,102.12x = 94,166,381,456,968,480
  5. Step 5: Solve for x
    x = 94,166,381,456,968,480/351,021,102.12
  6. Step 6: Final answer
    x = 268,264,161.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.