Home / 103,577,322.88-142,926,529.26-57,164,580.28

Finding the Fourth Proportional to 103,577,322.88, 142,926,529.26 and 57,164,580.28

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Solution

The fourth proportional to 103,577,322.88, 142,926,529.26 and 57,164,580.28 is: 78,881,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,577,322.88 : 142,926,529.26 = 57,164,580.28 : x
  2. Step 2: Convert to fraction form
    103,577,322.88/142,926,529.26 = 57,164,580.28/x
  3. Step 3: Cross multiply
    103,577,322.88x = 142,926,529.26 × 57,164,580.28
  4. Step 4: Simplify right side
    103,577,322.88x = 8,170,335,056,025,039
  5. Step 5: Solve for x
    x = 8,170,335,056,025,039/103,577,322.88
  6. Step 6: Final answer
    x = 78,881,504.45

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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.