Home / 142,985,972,053.60-197,320,632,080.64-82,873,808,980.36

Finding the Fourth Proportional to 142,985,972,053.60, 197,320,632,080.64 and 82,873,808,980.36

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Solution

The fourth proportional to 142,985,972,053.60, 197,320,632,080.64 and 82,873,808,980.36 is: 114,365,850,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,985,972,053.60 : 197,320,632,080.64 = 82,873,808,980.36 : x
  2. Step 2: Convert to fraction form
    142,985,972,053.60/197,320,632,080.64 = 82,873,808,980.36/x
  3. Step 3: Cross multiply
    142,985,972,053.60x = 197,320,632,080.64 × 82,873,808,980.36
  4. Step 4: Simplify right side
    142,985,972,053.60x = 16,352,712,370,934,855,499,776
  5. Step 5: Solve for x
    x = 16,352,712,370,934,855,499,776/142,985,972,053.60
  6. Step 6: Final answer
    x = 114,365,850,971.76

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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.