Home / 259,742,415.80-389,613,623.70-161,106,966.20

Finding the Fourth Proportional to 259,742,415.80, 389,613,623.70 and 161,106,966.20

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Solution

The fourth proportional to 259,742,415.80, 389,613,623.70 and 161,106,966.20 is: 241,660,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,742,415.80 : 389,613,623.70 = 161,106,966.20 : x
  2. Step 2: Convert to fraction form
    259,742,415.80/389,613,623.70 = 161,106,966.20/x
  3. Step 3: Cross multiply
    259,742,415.80x = 389,613,623.70 × 161,106,966.20
  4. Step 4: Simplify right side
    259,742,415.80x = 62,769,468,904,495,416
  5. Step 5: Solve for x
    x = 62,769,468,904,495,416/259,742,415.80
  6. Step 6: Final answer
    x = 241,660,449.30

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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.