Home / 379,505,075.13-569,270,213.60-130,507,889.67

Finding the Fourth Proportional to 379,505,075.13, 569,270,213.60 and 130,507,889.67

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Solution

The fourth proportional to 379,505,075.13, 569,270,213.60 and 130,507,889.67 is: 195,766,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,075.13 : 569,270,213.60 = 130,507,889.67 : x
  2. Step 2: Convert to fraction form
    379,505,075.13/569,270,213.60 = 130,507,889.67/x
  3. Step 3: Cross multiply
    379,505,075.13x = 569,270,213.60 × 130,507,889.67
  4. Step 4: Simplify right side
    379,505,075.13x = 74,294,254,228,273,600
  5. Step 5: Solve for x
    x = 74,294,254,228,273,600/379,505,075.13
  6. Step 6: Final answer
    x = 195,766,167.82

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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.