Home / 47,211,321.60-70,816,982.40-28,032,206.40

Finding the Fourth Proportional to 47,211,321.60, 70,816,982.40 and 28,032,206.40

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Solution

The fourth proportional to 47,211,321.60, 70,816,982.40 and 28,032,206.40 is: 42,048,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,211,321.60 : 70,816,982.40 = 28,032,206.40 : x
  2. Step 2: Convert to fraction form
    47,211,321.60/70,816,982.40 = 28,032,206.40/x
  3. Step 3: Cross multiply
    47,211,321.60x = 70,816,982.40 × 28,032,206.40
  4. Step 4: Simplify right side
    47,211,321.60x = 1,985,156,267,261,967.50
  5. Step 5: Solve for x
    x = 1,985,156,267,261,967.50/47,211,321.60
  6. Step 6: Final answer
    x = 42,048,309.60

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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.