Home / 186,624,538.70-279,936,808.05-118,768,052.30

Finding the Fourth Proportional to 186,624,538.70, 279,936,808.05 and 118,768,052.30

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Solution

The fourth proportional to 186,624,538.70, 279,936,808.05 and 118,768,052.30 is: 178,152,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,538.70 : 279,936,808.05 = 118,768,052.30 : x
  2. Step 2: Convert to fraction form
    186,624,538.70/279,936,808.05 = 118,768,052.30/x
  3. Step 3: Cross multiply
    186,624,538.70x = 279,936,808.05 × 118,768,052.30
  4. Step 4: Simplify right side
    186,624,538.70x = 33,247,549,459,177,460
  5. Step 5: Solve for x
    x = 33,247,549,459,177,460/186,624,538.70
  6. Step 6: Final answer
    x = 178,152,078.45

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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.