Home / 379,827,075.69-569,729,984.70-121,057,823.97

Finding the Fourth Proportional to 379,827,075.69, 569,729,984.70 and 121,057,823.97

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Solution

The fourth proportional to 379,827,075.69, 569,729,984.70 and 121,057,823.97 is: 181,583,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827,075.69 : 569,729,984.70 = 121,057,823.97 : x
  2. Step 2: Convert to fraction form
    379,827,075.69/569,729,984.70 = 121,057,823.97/x
  3. Step 3: Cross multiply
    379,827,075.69x = 569,729,984.70 × 121,057,823.97
  4. Step 4: Simplify right side
    379,827,075.69x = 68,970,272,198,243,400
  5. Step 5: Solve for x
    x = 68,970,272,198,243,400/379,827,075.69
  6. Step 6: Final answer
    x = 181,583,348.35

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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.