Home / 137,389,804.05-206,116,541.60-45,270,243.93

Finding the Fourth Proportional to 137,389,804.05, 206,116,541.60 and 45,270,243.93

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Solution

The fourth proportional to 137,389,804.05, 206,116,541.60 and 45,270,243.93 is: 67,915,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,389,804.05 : 206,116,541.60 = 45,270,243.93 : x
  2. Step 2: Convert to fraction form
    137,389,804.05/206,116,541.60 = 45,270,243.93/x
  3. Step 3: Cross multiply
    137,389,804.05x = 206,116,541.60 × 45,270,243.93
  4. Step 4: Simplify right side
    137,389,804.05x = 9,330,946,116,013,642
  5. Step 5: Solve for x
    x = 9,330,946,116,013,642/137,389,804.05
  6. Step 6: Final answer
    x = 67,915,855.77

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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.