Home / 66,461,548,821.60-99,692,323,232.40-19,932,826,389.60

Finding the Fourth Proportional to 66,461,548,821.60, 99,692,323,232.40 and 19,932,826,389.60

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Solution

The fourth proportional to 66,461,548,821.60, 99,692,323,232.40 and 19,932,826,389.60 is: 29,899,239,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,461,548,821.60 : 99,692,323,232.40 = 19,932,826,389.60 : x
  2. Step 2: Convert to fraction form
    66,461,548,821.60/99,692,323,232.40 = 19,932,826,389.60/x
  3. Step 3: Cross multiply
    66,461,548,821.60x = 99,692,323,232.40 × 19,932,826,389.60
  4. Step 4: Simplify right side
    66,461,548,821.60x = 1,987,149,771,367,315,668,992
  5. Step 5: Solve for x
    x = 1,987,149,771,367,315,668,992/66,461,548,821.60
  6. Step 6: Final answer
    x = 29,899,239,584.40

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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.