Home / 300,099,547.76-450,086,335.14-84,638,407.28

Finding the Fourth Proportional to 300,099,547.76, 450,086,335.14 and 84,638,407.28

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Solution

The fourth proportional to 300,099,547.76, 450,086,335.14 and 84,638,407.28 is: 126,939,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,099,547.76 : 450,086,335.14 = 84,638,407.28 : x
  2. Step 2: Convert to fraction form
    300,099,547.76/450,086,335.14 = 84,638,407.28/x
  3. Step 3: Cross multiply
    300,099,547.76x = 450,086,335.14 × 84,638,407.28
  4. Step 4: Simplify right side
    300,099,547.76x = 38,094,590,544,741,896
  5. Step 5: Solve for x
    x = 38,094,590,544,741,896/300,099,547.76
  6. Step 6: Final answer
    x = 126,939,846.56

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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.