Home / 80,256,547.40-110,760,866.07-45,455,428.76

Finding the Fourth Proportional to 80,256,547.40, 110,760,866.07 and 45,455,428.76

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Solution

The fourth proportional to 80,256,547.40, 110,760,866.07 and 45,455,428.76 is: 62,732,360.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,547.40 : 110,760,866.07 = 45,455,428.76 : x
  2. Step 2: Convert to fraction form
    80,256,547.40/110,760,866.07 = 45,455,428.76/x
  3. Step 3: Cross multiply
    80,256,547.40x = 110,760,866.07 × 45,455,428.76
  4. Step 4: Simplify right side
    80,256,547.40x = 5,034,682,657,040,786
  5. Step 5: Solve for x
    x = 5,034,682,657,040,786/80,256,547.40
  6. Step 6: Final answer
    x = 62,732,360.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.