Home / 45,729,103,338.72-68,570,102,869.62-20,525,213,567.55

Finding the Fourth Proportional to 45,729,103,338.72, 68,570,102,869.62 and 20,525,213,567.55

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Solution

The fourth proportional to 45,729,103,338.72, 68,570,102,869.62 and 20,525,213,567.55 is: 30,777,249,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729,103,338.72 : 68,570,102,869.62 = 20,525,213,567.55 : x
  2. Step 2: Convert to fraction form
    45,729,103,338.72/68,570,102,869.62 = 20,525,213,567.55/x
  3. Step 3: Cross multiply
    45,729,103,338.72x = 68,570,102,869.62 × 20,525,213,567.55
  4. Step 4: Simplify right side
    45,729,103,338.72x = 1,407,416,005,747,823,607,808
  5. Step 5: Solve for x
    x = 1,407,416,005,747,823,607,808/45,729,103,338.72
  6. Step 6: Final answer
    x = 30,777,249,125.64

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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.