Home / 213,237,588.42-294,287,597.01-129,586,413.06

Finding the Fourth Proportional to 213,237,588.42, 294,287,597.01 and 129,586,413.06

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Solution

The fourth proportional to 213,237,588.42, 294,287,597.01 and 129,586,413.06 is: 178,841,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,237,588.42 : 294,287,597.01 = 129,586,413.06 : x
  2. Step 2: Convert to fraction form
    213,237,588.42/294,287,597.01 = 129,586,413.06/x
  3. Step 3: Cross multiply
    213,237,588.42x = 294,287,597.01 × 129,586,413.06
  4. Step 4: Simplify right side
    213,237,588.42x = 38,135,674,104,572,680
  5. Step 5: Solve for x
    x = 38,135,674,104,572,680/213,237,588.42
  6. Step 6: Final answer
    x = 178,841,237.08

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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.