Home / 74,357,999.10-111,536,998.65-39,920,622.30

Finding the Fourth Proportional to 74,357,999.10, 111,536,998.65 and 39,920,622.30

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Solution

The fourth proportional to 74,357,999.10, 111,536,998.65 and 39,920,622.30 is: 59,880,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357,999.10 : 111,536,998.65 = 39,920,622.30 : x
  2. Step 2: Convert to fraction form
    74,357,999.10/111,536,998.65 = 39,920,622.30/x
  3. Step 3: Cross multiply
    74,357,999.10x = 111,536,998.65 × 39,920,622.30
  4. Step 4: Simplify right side
    74,357,999.10x = 4,452,626,395,582,260
  5. Step 5: Solve for x
    x = 4,452,626,395,582,260/74,357,999.10
  6. Step 6: Final answer
    x = 59,880,933.45

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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.