Home / 194,861,428-268,908,677.28-116,544,980.08

Finding the Fourth Proportional to 194,861,428, 268,908,677.28 and 116,544,980.08

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Solution

The fourth proportional to 194,861,428, 268,908,677.28 and 116,544,980.08 is: 160,832,016.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,861,428 : 268,908,677.28 = 116,544,980.08 : x
  2. Step 2: Convert to fraction form
    194,861,428/268,908,677.28 = 116,544,980.08/x
  3. Step 3: Cross multiply
    194,861,428x = 268,908,677.28 × 116,544,980.08
  4. Step 4: Simplify right side
    194,861,428x = 31,339,956,436,936,744
  5. Step 5: Solve for x
    x = 31,339,956,436,936,744/194,861,428
  6. Step 6: Final answer
    x = 160,832,016.67

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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.