Home / 31,901,110,858.40-47,851,666,287.60-21,452,555,645.60

Finding the Fourth Proportional to 31,901,110,858.40, 47,851,666,287.60 and 21,452,555,645.60

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Solution

The fourth proportional to 31,901,110,858.40, 47,851,666,287.60 and 21,452,555,645.60 is: 32,178,833,468.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901,110,858.40 : 47,851,666,287.60 = 21,452,555,645.60 : x
  2. Step 2: Convert to fraction form
    31,901,110,858.40/47,851,666,287.60 = 21,452,555,645.60/x
  3. Step 3: Cross multiply
    31,901,110,858.40x = 47,851,666,287.60 × 21,452,555,645.60
  4. Step 4: Simplify right side
    31,901,110,858.40x = 1,026,540,533,769,420,406,784
  5. Step 5: Solve for x
    x = 1,026,540,533,769,420,406,784/31,901,110,858.40
  6. Step 6: Final answer
    x = 32,178,833,468.40

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1.5x scale

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.