Home / 248,583,987,813.60-372,875,981,720.40-142,357,009,816.80

Finding the Fourth Proportional to 248,583,987,813.60, 372,875,981,720.40 and 142,357,009,816.80

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Solution

The fourth proportional to 248,583,987,813.60, 372,875,981,720.40 and 142,357,009,816.80 is: 213,535,514,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,583,987,813.60 : 372,875,981,720.40 = 142,357,009,816.80 : x
  2. Step 2: Convert to fraction form
    248,583,987,813.60/372,875,981,720.40 = 142,357,009,816.80/x
  3. Step 3: Cross multiply
    248,583,987,813.60x = 372,875,981,720.40 × 142,357,009,816.80
  4. Step 4: Simplify right side
    248,583,987,813.60x = 53,081,509,790,219,918,901,248
  5. Step 5: Solve for x
    x = 53,081,509,790,219,918,901,248/248,583,987,813.60
  6. Step 6: Final answer
    x = 213,535,514,725.20

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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.