Home / 47,030,544,081.40-70,545,816,122.10-20,909,156,049.40

Finding the Fourth Proportional to 47,030,544,081.40, 70,545,816,122.10 and 20,909,156,049.40

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Solution

The fourth proportional to 47,030,544,081.40, 70,545,816,122.10 and 20,909,156,049.40 is: 31,363,734,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,030,544,081.40 : 70,545,816,122.10 = 20,909,156,049.40 : x
  2. Step 2: Convert to fraction form
    47,030,544,081.40/70,545,816,122.10 = 20,909,156,049.40/x
  3. Step 3: Cross multiply
    47,030,544,081.40x = 70,545,816,122.10 × 20,909,156,049.40
  4. Step 4: Simplify right side
    47,030,544,081.40x = 1,475,053,477,929,267,494,912
  5. Step 5: Solve for x
    x = 1,475,053,477,929,267,494,912/47,030,544,081.40
  6. Step 6: Final answer
    x = 31,363,734,074.10

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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.