Home / 105,370,788.40-158,058,956.08-28,695,384.88

Finding the Fourth Proportional to 105,370,788.40, 158,058,956.08 and 28,695,384.88

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Solution

The fourth proportional to 105,370,788.40, 158,058,956.08 and 28,695,384.88 is: 43,043,832.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,370,788.40 : 158,058,956.08 = 28,695,384.88 : x
  2. Step 2: Convert to fraction form
    105,370,788.40/158,058,956.08 = 28,695,384.88/x
  3. Step 3: Cross multiply
    105,370,788.40x = 158,058,956.08 × 28,695,384.88
  4. Step 4: Simplify right side
    105,370,788.40x = 4,535,562,578,446,616
  5. Step 5: Solve for x
    x = 4,535,562,578,446,616/105,370,788.40
  6. Step 6: Final answer
    x = 43,043,832.62

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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.