Home / 57,163,924.34-78,886,933.04-31,058,878.12

Finding the Fourth Proportional to 57,163,924.34, 78,886,933.04 and 31,058,878.12

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Solution

The fourth proportional to 57,163,924.34, 78,886,933.04 and 31,058,878.12 is: 42,861,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,163,924.34 : 78,886,933.04 = 31,058,878.12 : x
  2. Step 2: Convert to fraction form
    57,163,924.34/78,886,933.04 = 31,058,878.12/x
  3. Step 3: Cross multiply
    57,163,924.34x = 78,886,933.04 × 31,058,878.12
  4. Step 4: Simplify right side
    57,163,924.34x = 2,450,139,638,430,391
  5. Step 5: Solve for x
    x = 2,450,139,638,430,391/57,163,924.34
  6. Step 6: Final answer
    x = 42,861,641.62

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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.