Home / 158,739,446,205.21-218,913,290,285.09-115,851,996,891.93

Finding the Fourth Proportional to 158,739,446,205.21, 218,913,290,285.09 and 115,851,996,891.93

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Solution

The fourth proportional to 158,739,446,205.21, 218,913,290,285.09 and 115,851,996,891.93 is: 159,768,365,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,739,446,205.21 : 218,913,290,285.09 = 115,851,996,891.93 : x
  2. Step 2: Convert to fraction form
    158,739,446,205.21/218,913,290,285.09 = 115,851,996,891.93/x
  3. Step 3: Cross multiply
    158,739,446,205.21x = 218,913,290,285.09 × 115,851,996,891.93
  4. Step 4: Simplify right side
    158,739,446,205.21x = 25,361,541,825,710,413,316,096
  5. Step 5: Solve for x
    x = 25,361,541,825,710,413,316,096/158,739,446,205.21
  6. Step 6: Final answer
    x = 159,768,365,280.33

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1.5x scale

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.