Home / 81,957,501.60-122,852,271.60-47,861,296.80

Finding the Fourth Proportional to 81,957,501.60, 122,852,271.60 and 47,861,296.80

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Solution

The fourth proportional to 81,957,501.60, 122,852,271.60 and 47,861,296.80 is: 71,742,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,957,501.60 : 122,852,271.60 = 47,861,296.80 : x
  2. Step 2: Convert to fraction form
    81,957,501.60/122,852,271.60 = 47,861,296.80/x
  3. Step 3: Cross multiply
    81,957,501.60x = 122,852,271.60 × 47,861,296.80
  4. Step 4: Simplify right side
    81,957,501.60x = 5,879,869,033,601,810
  5. Step 5: Solve for x
    x = 5,879,869,033,601,810/81,957,501.60
  6. Step 6: Final answer
    x = 71,742,902.34

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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.