Home / 338,009,235.40-507,013,853.10-107,985,824.20

Finding the Fourth Proportional to 338,009,235.40, 507,013,853.10 and 107,985,824.20

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Solution

The fourth proportional to 338,009,235.40, 507,013,853.10 and 107,985,824.20 is: 161,978,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,009,235.40 : 507,013,853.10 = 107,985,824.20 : x
  2. Step 2: Convert to fraction form
    338,009,235.40/507,013,853.10 = 107,985,824.20/x
  3. Step 3: Cross multiply
    338,009,235.40x = 507,013,853.10 × 107,985,824.20
  4. Step 4: Simplify right side
    338,009,235.40x = 54,750,308,807,821,232
  5. Step 5: Solve for x
    x = 54,750,308,807,821,232/338,009,235.40
  6. Step 6: Final answer
    x = 161,978,736.30

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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.