Home / 106,290,001.20-159,435,001.80-97,220,074.80

Finding the Fourth Proportional to 106,290,001.20, 159,435,001.80 and 97,220,074.80

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Solution

The fourth proportional to 106,290,001.20, 159,435,001.80 and 97,220,074.80 is: 145,830,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,290,001.20 : 159,435,001.80 = 97,220,074.80 : x
  2. Step 2: Convert to fraction form
    106,290,001.20/159,435,001.80 = 97,220,074.80/x
  3. Step 3: Cross multiply
    106,290,001.20x = 159,435,001.80 × 97,220,074.80
  4. Step 4: Simplify right side
    106,290,001.20x = 15,500,282,800,734,136
  5. Step 5: Solve for x
    x = 15,500,282,800,734,136/106,290,001.20
  6. Step 6: Final answer
    x = 145,830,112.20

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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.