Home / 65,362,972.80-98,044,459.20-55,285,276.80

Finding the Fourth Proportional to 65,362,972.80, 98,044,459.20 and 55,285,276.80

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Solution

The fourth proportional to 65,362,972.80, 98,044,459.20 and 55,285,276.80 is: 82,927,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362,972.80 : 98,044,459.20 = 55,285,276.80 : x
  2. Step 2: Convert to fraction form
    65,362,972.80/98,044,459.20 = 55,285,276.80/x
  3. Step 3: Cross multiply
    65,362,972.80x = 98,044,459.20 × 55,285,276.80
  4. Step 4: Simplify right side
    65,362,972.80x = 5,420,415,065,578,306
  5. Step 5: Solve for x
    x = 5,420,415,065,578,306/65,362,972.80
  6. Step 6: Final answer
    x = 82,927,915.20

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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.