Home / 103,661,506.20-143,050,140.54-57,250,761.24

Finding the Fourth Proportional to 103,661,506.20, 143,050,140.54 and 57,250,761.24

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Solution

The fourth proportional to 103,661,506.20, 143,050,140.54 and 57,250,761.24 is: 79,004,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661,506.20 : 143,050,140.54 = 57,250,761.24 : x
  2. Step 2: Convert to fraction form
    103,661,506.20/143,050,140.54 = 57,250,761.24/x
  3. Step 3: Cross multiply
    103,661,506.20x = 143,050,140.54 × 57,250,761.24
  4. Step 4: Simplify right side
    103,661,506.20x = 8,189,729,441,403,984
  5. Step 5: Solve for x
    x = 8,189,729,441,403,984/103,661,506.20
  6. Step 6: Final answer
    x = 79,004,538.34

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1.5x scale

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.