Home / 194,844,018.55-268,882,602.74-105,533,740.81

Finding the Fourth Proportional to 194,844,018.55, 268,882,602.74 and 105,533,740.81

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Solution

The fourth proportional to 194,844,018.55, 268,882,602.74 and 105,533,740.81 is: 145,635,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,844,018.55 : 268,882,602.74 = 105,533,740.81 : x
  2. Step 2: Convert to fraction form
    194,844,018.55/268,882,602.74 = 105,533,740.81/x
  3. Step 3: Cross multiply
    194,844,018.55x = 268,882,602.74 × 105,533,740.81
  4. Step 4: Simplify right side
    194,844,018.55x = 28,376,186,904,574,420
  5. Step 5: Solve for x
    x = 28,376,186,904,574,420/194,844,018.55
  6. Step 6: Final answer
    x = 145,635,401.67

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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.