Home / 237,129,985.50-327,239,379.99-128,602,369.50

Finding the Fourth Proportional to 237,129,985.50, 327,239,379.99 and 128,602,369.50

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Solution

The fourth proportional to 237,129,985.50, 327,239,379.99 and 128,602,369.50 is: 177,471,269.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,129,985.50 : 327,239,379.99 = 128,602,369.50 : x
  2. Step 2: Convert to fraction form
    237,129,985.50/327,239,379.99 = 128,602,369.50/x
  3. Step 3: Cross multiply
    237,129,985.50x = 327,239,379.99 × 128,602,369.50
  4. Step 4: Simplify right side
    237,129,985.50x = 42,083,759,660,424,888
  5. Step 5: Solve for x
    x = 42,083,759,660,424,888/237,129,985.50
  6. Step 6: Final answer
    x = 177,471,269.91

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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.