Home / 21,421,768,067.80-32,132,652,101.70-19,095,331,946.20

Finding the Fourth Proportional to 21,421,768,067.80, 32,132,652,101.70 and 19,095,331,946.20

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Solution

The fourth proportional to 21,421,768,067.80, 32,132,652,101.70 and 19,095,331,946.20 is: 28,642,997,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421,768,067.80 : 32,132,652,101.70 = 19,095,331,946.20 : x
  2. Step 2: Convert to fraction form
    21,421,768,067.80/32,132,652,101.70 = 19,095,331,946.20/x
  3. Step 3: Cross multiply
    21,421,768,067.80x = 32,132,652,101.70 × 19,095,331,946.20
  4. Step 4: Simplify right side
    21,421,768,067.80x = 613,583,658,193,722,671,104
  5. Step 5: Solve for x
    x = 613,583,658,193,722,671,104/21,421,768,067.80
  6. Step 6: Final answer
    x = 28,642,997,919.30

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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.