Home / 293,419,905.40-440,129,858.10-157,371,009.40

Finding the Fourth Proportional to 293,419,905.40, 440,129,858.10 and 157,371,009.40

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Solution

The fourth proportional to 293,419,905.40, 440,129,858.10 and 157,371,009.40 is: 236,056,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,905.40 : 440,129,858.10 = 157,371,009.40 : x
  2. Step 2: Convert to fraction form
    293,419,905.40/440,129,858.10 = 157,371,009.40/x
  3. Step 3: Cross multiply
    293,419,905.40x = 440,129,858.10 × 157,371,009.40
  4. Step 4: Simplify right side
    293,419,905.40x = 69,263,680,036,275,776
  5. Step 5: Solve for x
    x = 69,263,680,036,275,776/293,419,905.40
  6. Step 6: Final answer
    x = 236,056,514.10

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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.