Home / 125,878,011.66-188,842,651.02-53,095,067.28

Finding the Fourth Proportional to 125,878,011.66, 188,842,651.02 and 53,095,067.28

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Solution

The fourth proportional to 125,878,011.66, 188,842,651.02 and 53,095,067.28 is: 79,653,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,878,011.66 : 188,842,651.02 = 53,095,067.28 : x
  2. Step 2: Convert to fraction form
    125,878,011.66/188,842,651.02 = 53,095,067.28/x
  3. Step 3: Cross multiply
    125,878,011.66x = 188,842,651.02 × 53,095,067.28
  4. Step 4: Simplify right side
    125,878,011.66x = 10,026,613,261,240,462
  5. Step 5: Solve for x
    x = 10,026,613,261,240,462/125,878,011.66
  6. Step 6: Final answer
    x = 79,653,413.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.