Home / 103,980,829.64-143,498,029.28-57,571,084.20

Finding the Fourth Proportional to 103,980,829.64, 143,498,029.28 and 57,571,084.20

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Solution

The fourth proportional to 103,980,829.64, 143,498,029.28 and 57,571,084.20 is: 79,450,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,980,829.64 : 143,498,029.28 = 57,571,084.20 : x
  2. Step 2: Convert to fraction form
    103,980,829.64/143,498,029.28 = 57,571,084.20/x
  3. Step 3: Cross multiply
    103,980,829.64x = 143,498,029.28 × 57,571,084.20
  4. Step 4: Simplify right side
    103,980,829.64x = 8,261,337,126,212,946
  5. Step 5: Solve for x
    x = 8,261,337,126,212,946/103,980,829.64
  6. Step 6: Final answer
    x = 79,450,579.06

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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.