Home / 102,271,221.23-141,133,350.44-55,861,461.23

Finding the Fourth Proportional to 102,271,221.23, 141,133,350.44 and 55,861,461.23

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Solution

The fourth proportional to 102,271,221.23, 141,133,350.44 and 55,861,461.23 is: 77,088,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,271,221.23 : 141,133,350.44 = 55,861,461.23 : x
  2. Step 2: Convert to fraction form
    102,271,221.23/141,133,350.44 = 55,861,461.23/x
  3. Step 3: Cross multiply
    102,271,221.23x = 141,133,350.44 × 55,861,461.23
  4. Step 4: Simplify right side
    102,271,221.23x = 7,883,915,182,879,090
  5. Step 5: Solve for x
    x = 7,883,915,182,879,090/102,271,221.23
  6. Step 6: Final answer
    x = 77,088,305.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.