Home / 313,511,112.09-470,211,678.45-119,434,173.30

Finding the Fourth Proportional to 313,511,112.09, 470,211,678.45 and 119,434,173.30

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Solution

The fourth proportional to 313,511,112.09, 470,211,678.45 and 119,434,173.30 is: 179,130,311.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,511,112.09 : 470,211,678.45 = 119,434,173.30 : x
  2. Step 2: Convert to fraction form
    313,511,112.09/470,211,678.45 = 119,434,173.30/x
  3. Step 3: Cross multiply
    313,511,112.09x = 470,211,678.45 × 119,434,173.30
  4. Step 4: Simplify right side
    313,511,112.09x = 56,159,343,091,681,176
  5. Step 5: Solve for x
    x = 56,159,343,091,681,176/313,511,112.09
  6. Step 6: Final answer
    x = 179,130,311.26

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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.