Home / 131,054,430.31-180,858,957.44-71,519,570.42

Finding the Fourth Proportional to 131,054,430.31, 180,858,957.44 and 71,519,570.42

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Solution

The fourth proportional to 131,054,430.31, 180,858,957.44 and 71,519,570.42 is: 98,699,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,054,430.31 : 180,858,957.44 = 71,519,570.42 : x
  2. Step 2: Convert to fraction form
    131,054,430.31/180,858,957.44 = 71,519,570.42/x
  3. Step 3: Cross multiply
    131,054,430.31x = 180,858,957.44 × 71,519,570.42
  4. Step 4: Simplify right side
    131,054,430.31x = 12,934,954,941,455,972
  5. Step 5: Solve for x
    x = 12,934,954,941,455,972/131,054,430.31
  6. Step 6: Final answer
    x = 98,699,104.72

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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.