Home / 212,901,088.20-319,362,129.90-110,864,416.20

Finding the Fourth Proportional to 212,901,088.20, 319,362,129.90 and 110,864,416.20

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Solution

The fourth proportional to 212,901,088.20, 319,362,129.90 and 110,864,416.20 is: 166,302,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,901,088.20 : 319,362,129.90 = 110,864,416.20 : x
  2. Step 2: Convert to fraction form
    212,901,088.20/319,362,129.90 = 110,864,416.20/x
  3. Step 3: Cross multiply
    212,901,088.20x = 319,362,129.90 × 110,864,416.20
  4. Step 4: Simplify right side
    212,901,088.20x = 35,405,896,087,752,064
  5. Step 5: Solve for x
    x = 35,405,896,087,752,064/212,901,088.20
  6. Step 6: Final answer
    x = 166,302,090.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.