Home / 217,455,733.45-300,088,961.63-119,670,589.45

Finding the Fourth Proportional to 217,455,733.45, 300,088,961.63 and 119,670,589.45

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Solution

The fourth proportional to 217,455,733.45, 300,088,961.63 and 119,670,589.45 is: 165,145,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,455,733.45 : 300,088,961.63 = 119,670,589.45 : x
  2. Step 2: Convert to fraction form
    217,455,733.45/300,088,961.63 = 119,670,589.45/x
  3. Step 3: Cross multiply
    217,455,733.45x = 300,088,961.63 × 119,670,589.45
  4. Step 4: Simplify right side
    217,455,733.45x = 35,911,822,925,700,532
  5. Step 5: Solve for x
    x = 35,911,822,925,700,532/217,455,733.45
  6. Step 6: Final answer
    x = 165,145,440.66

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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.