Home / 194,920,054.65-268,989,678.18-106,817,519.61

Finding the Fourth Proportional to 194,920,054.65, 268,989,678.18 and 106,817,519.61

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Solution

The fourth proportional to 194,920,054.65, 268,989,678.18 and 106,817,519.61 is: 147,408,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,920,054.65 : 268,989,678.18 = 106,817,519.61 : x
  2. Step 2: Convert to fraction form
    194,920,054.65/268,989,678.18 = 106,817,519.61/x
  3. Step 3: Cross multiply
    194,920,054.65x = 268,989,678.18 × 106,817,519.61
  4. Step 4: Simplify right side
    194,920,054.65x = 28,732,810,223,879,740
  5. Step 5: Solve for x
    x = 28,732,810,223,879,740/194,920,054.65
  6. Step 6: Final answer
    x = 147,408,178.58

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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.