Home / 61,196,419.20-91,794,628.80-20,806,903.20

Finding the Fourth Proportional to 61,196,419.20, 91,794,628.80 and 20,806,903.20

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Solution

The fourth proportional to 61,196,419.20, 91,794,628.80 and 20,806,903.20 is: 31,210,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,196,419.20 : 91,794,628.80 = 20,806,903.20 : x
  2. Step 2: Convert to fraction form
    61,196,419.20/91,794,628.80 = 20,806,903.20/x
  3. Step 3: Cross multiply
    61,196,419.20x = 91,794,628.80 × 20,806,903.20
  4. Step 4: Simplify right side
    61,196,419.20x = 1,909,961,955,721,532
  5. Step 5: Solve for x
    x = 1,909,961,955,721,532/61,196,419.20
  6. Step 6: Final answer
    x = 31,210,354.80

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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.