Home / 148,036,641.80-221,923,069.44-70,265,565.80

Finding the Fourth Proportional to 148,036,641.80, 221,923,069.44 and 70,265,565.80

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Solution

The fourth proportional to 148,036,641.80, 221,923,069.44 and 70,265,565.80 is: 105,335,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,036,641.80 : 221,923,069.44 = 70,265,565.80 : x
  2. Step 2: Convert to fraction form
    148,036,641.80/221,923,069.44 = 70,265,565.80/x
  3. Step 3: Cross multiply
    148,036,641.80x = 221,923,069.44 × 70,265,565.80
  4. Step 4: Simplify right side
    148,036,641.80x = 15,593,550,038,274,288
  5. Step 5: Solve for x
    x = 15,593,550,038,274,288/148,036,641.80
  6. Step 6: Final answer
    x = 105,335,745.59

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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.