Home / 149,723,979.40-224,585,969.10-127,804,990.60

Finding the Fourth Proportional to 149,723,979.40, 224,585,969.10 and 127,804,990.60

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Solution

The fourth proportional to 149,723,979.40, 224,585,969.10 and 127,804,990.60 is: 191,707,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723,979.40 : 224,585,969.10 = 127,804,990.60 : x
  2. Step 2: Convert to fraction form
    149,723,979.40/224,585,969.10 = 127,804,990.60/x
  3. Step 3: Cross multiply
    149,723,979.40x = 224,585,969.10 × 127,804,990.60
  4. Step 4: Simplify right side
    149,723,979.40x = 28,703,207,669,717,388
  5. Step 5: Solve for x
    x = 28,703,207,669,717,388/149,723,979.40
  6. Step 6: Final answer
    x = 191,707,485.90

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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.