Home / 262,635,376.14-393,973,401.72-87,759,015.66

Finding the Fourth Proportional to 262,635,376.14, 393,973,401.72 and 87,759,015.66

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Solution

The fourth proportional to 262,635,376.14, 393,973,401.72 and 87,759,015.66 is: 131,645,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,635,376.14 : 393,973,401.72 = 87,759,015.66 : x
  2. Step 2: Convert to fraction form
    262,635,376.14/393,973,401.72 = 87,759,015.66/x
  3. Step 3: Cross multiply
    262,635,376.14x = 393,973,401.72 × 87,759,015.66
  4. Step 4: Simplify right side
    262,635,376.14x = 34,574,717,931,168,952
  5. Step 5: Solve for x
    x = 34,574,717,931,168,952/262,635,376.14
  6. Step 6: Final answer
    x = 131,645,319.22

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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.