Home / 103,773,662,978.94-143,203,816,932.39-56,249,062,628.22

Finding the Fourth Proportional to 103,773,662,978.94, 143,203,816,932.39 and 56,249,062,628.22

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Solution

The fourth proportional to 103,773,662,978.94, 143,203,816,932.39 and 56,249,062,628.22 is: 77,621,626,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,773,662,978.94 : 143,203,816,932.39 = 56,249,062,628.22 : x
  2. Step 2: Convert to fraction form
    103,773,662,978.94/143,203,816,932.39 = 56,249,062,628.22/x
  3. Step 3: Cross multiply
    103,773,662,978.94x = 143,203,816,932.39 × 56,249,062,628.22
  4. Step 4: Simplify right side
    103,773,662,978.94x = 8,055,080,467,230,158,225,408
  5. Step 5: Solve for x
    x = 8,055,080,467,230,158,225,408/103,773,662,978.94
  6. Step 6: Final answer
    x = 77,621,626,104.35

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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.