Home / 56,018,882.36-77,306,395.48-31,240,635.28

Finding the Fourth Proportional to 56,018,882.36, 77,306,395.48 and 31,240,635.28

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Solution

The fourth proportional to 56,018,882.36, 77,306,395.48 and 31,240,635.28 is: 43,112,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018,882.36 : 77,306,395.48 = 31,240,635.28 : x
  2. Step 2: Convert to fraction form
    56,018,882.36/77,306,395.48 = 31,240,635.28/x
  3. Step 3: Cross multiply
    56,018,882.36x = 77,306,395.48 × 31,240,635.28
  4. Step 4: Simplify right side
    56,018,882.36x = 2,415,100,905,730,753
  5. Step 5: Solve for x
    x = 2,415,100,905,730,753/56,018,882.36
  6. Step 6: Final answer
    x = 43,112,265.08

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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.