Home / 74,357,999.60-111,536,999.40-39,920,622.80

Finding the Fourth Proportional to 74,357,999.60, 111,536,999.40 and 39,920,622.80

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Solution

The fourth proportional to 74,357,999.60, 111,536,999.40 and 39,920,622.80 is: 59,880,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,357,999.60 : 111,536,999.40 = 39,920,622.80 : x
  2. Step 2: Convert to fraction form
    74,357,999.60/111,536,999.40 = 39,920,622.80/x
  3. Step 3: Cross multiply
    74,357,999.60x = 111,536,999.40 × 39,920,622.80
  4. Step 4: Simplify right side
    74,357,999.60x = 4,452,626,481,291,226
  5. Step 5: Solve for x
    x = 4,452,626,481,291,226/74,357,999.60
  6. Step 6: Final answer
    x = 59,880,934.20

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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.