Home / 219,401,168.81-302,767,058.93-120,278,528.51

Finding the Fourth Proportional to 219,401,168.81, 302,767,058.93 and 120,278,528.51

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Solution

The fourth proportional to 219,401,168.81, 302,767,058.93 and 120,278,528.51 is: 165,980,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,401,168.81 : 302,767,058.93 = 120,278,528.51 : x
  2. Step 2: Convert to fraction form
    219,401,168.81/302,767,058.93 = 120,278,528.51/x
  3. Step 3: Cross multiply
    219,401,168.81x = 302,767,058.93 × 120,278,528.51
  4. Step 4: Simplify right side
    219,401,168.81x = 36,416,376,327,285,624
  5. Step 5: Solve for x
    x = 36,416,376,327,285,624/219,401,168.81
  6. Step 6: Final answer
    x = 165,980,776.34

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1.5x scale

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.