Home / 65,369,144.40-98,074,711.80-28,963,467.60

Finding the Fourth Proportional to 65,369,144.40, 98,074,711.80 and 28,963,467.60

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Solution

The fourth proportional to 65,369,144.40, 98,074,711.80 and 28,963,467.60 is: 43,454,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,369,144.40 : 98,074,711.80 = 28,963,467.60 : x
  2. Step 2: Convert to fraction form
    65,369,144.40/98,074,711.80 = 28,963,467.60/x
  3. Step 3: Cross multiply
    65,369,144.40x = 98,074,711.80 × 28,963,467.60
  4. Step 4: Simplify right side
    65,369,144.40x = 2,840,583,737,598,637.50
  5. Step 5: Solve for x
    x = 2,840,583,737,598,637.50/65,369,144.40
  6. Step 6: Final answer
    x = 43,454,503.86

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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.