Home / 66,548,254.70-99,654,420.45-43,705,477.10

Finding the Fourth Proportional to 66,548,254.70, 99,654,420.45 and 43,705,477.10

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Solution

The fourth proportional to 66,548,254.70, 99,654,420.45 and 43,705,477.10 is: 65,447,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,548,254.70 : 99,654,420.45 = 43,705,477.10 : x
  2. Step 2: Convert to fraction form
    66,548,254.70/99,654,420.45 = 43,705,477.10/x
  3. Step 3: Cross multiply
    66,548,254.70x = 99,654,420.45 × 43,705,477.10
  4. Step 4: Simplify right side
    66,548,254.70x = 4,355,443,990,891,247
  5. Step 5: Solve for x
    x = 4,355,443,990,891,247/66,548,254.70
  6. Step 6: Final answer
    x = 65,447,907.09

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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.