Home / 120,924,079.20-181,575,075.60-69,905,743.20

Finding the Fourth Proportional to 120,924,079.20, 181,575,075.60 and 69,905,743.20

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Solution

The fourth proportional to 120,924,079.20, 181,575,075.60 and 69,905,743.20 is: 104,967,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,924,079.20 : 181,575,075.60 = 69,905,743.20 : x
  2. Step 2: Convert to fraction form
    120,924,079.20/181,575,075.60 = 69,905,743.20/x
  3. Step 3: Cross multiply
    120,924,079.20x = 181,575,075.60 × 69,905,743.20
  4. Step 4: Simplify right side
    120,924,079.20x = 12,693,140,606,414,186
  5. Step 5: Solve for x
    x = 12,693,140,606,414,186/120,924,079.20
  6. Step 6: Final answer
    x = 104,967,850.00

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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.