Home / 74,964,721.20-112,342,105.80-59,638,225.20

Finding the Fourth Proportional to 74,964,721.20, 112,342,105.80 and 59,638,225.20

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Solution

The fourth proportional to 74,964,721.20, 112,342,105.80 and 59,638,225.20 is: 89,373,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964,721.20 : 112,342,105.80 = 59,638,225.20 : x
  2. Step 2: Convert to fraction form
    74,964,721.20/112,342,105.80 = 59,638,225.20/x
  3. Step 3: Cross multiply
    74,964,721.20x = 112,342,105.80 × 59,638,225.20
  4. Step 4: Simplify right side
    74,964,721.20x = 6,699,883,805,142,626
  5. Step 5: Solve for x
    x = 6,699,883,805,142,626/74,964,721.20
  6. Step 6: Final answer
    x = 89,373,824.09

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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.