Home / 213,081,159.60-319,621,739.40-98,289,903.60

Finding the Fourth Proportional to 213,081,159.60, 319,621,739.40 and 98,289,903.60

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Solution

The fourth proportional to 213,081,159.60, 319,621,739.40 and 98,289,903.60 is: 147,434,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,081,159.60 : 319,621,739.40 = 98,289,903.60 : x
  2. Step 2: Convert to fraction form
    213,081,159.60/319,621,739.40 = 98,289,903.60/x
  3. Step 3: Cross multiply
    213,081,159.60x = 319,621,739.40 × 98,289,903.60
  4. Step 4: Simplify right side
    213,081,159.60x = 31,415,589,954,090,316
  5. Step 5: Solve for x
    x = 31,415,589,954,090,316/213,081,159.60
  6. Step 6: Final answer
    x = 147,434,855.40

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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.