Home / 42,607,870.80-63,911,806.20-35,521,990.80

Finding the Fourth Proportional to 42,607,870.80, 63,911,806.20 and 35,521,990.80

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Solution

The fourth proportional to 42,607,870.80, 63,911,806.20 and 35,521,990.80 is: 53,282,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607,870.80 : 63,911,806.20 = 35,521,990.80 : x
  2. Step 2: Convert to fraction form
    42,607,870.80/63,911,806.20 = 35,521,990.80/x
  3. Step 3: Cross multiply
    42,607,870.80x = 63,911,806.20 × 35,521,990.80
  4. Step 4: Simplify right side
    42,607,870.80x = 2,270,274,591,847,783
  5. Step 5: Solve for x
    x = 2,270,274,591,847,783/42,607,870.80
  6. Step 6: Final answer
    x = 53,282,986.20

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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.