Home / 60,660,007.80-90,990,011.70-37,701,756.60

Finding the Fourth Proportional to 60,660,007.80, 90,990,011.70 and 37,701,756.60

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Solution

The fourth proportional to 60,660,007.80, 90,990,011.70 and 37,701,756.60 is: 56,552,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,660,007.80 : 90,990,011.70 = 37,701,756.60 : x
  2. Step 2: Convert to fraction form
    60,660,007.80/90,990,011.70 = 37,701,756.60/x
  3. Step 3: Cross multiply
    60,660,007.80x = 90,990,011.70 × 37,701,756.60
  4. Step 4: Simplify right side
    60,660,007.80x = 3,430,483,274,144,552.50
  5. Step 5: Solve for x
    x = 3,430,483,274,144,552.50/60,660,007.80
  6. Step 6: Final answer
    x = 56,552,634.90

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1.5x scale

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.