Home / 25,127,977,759.20-37,691,966,638.80-21,258,142,495.20

Finding the Fourth Proportional to 25,127,977,759.20, 37,691,966,638.80 and 21,258,142,495.20

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Solution

The fourth proportional to 25,127,977,759.20, 37,691,966,638.80 and 21,258,142,495.20 is: 31,887,213,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127,977,759.20 : 37,691,966,638.80 = 21,258,142,495.20 : x
  2. Step 2: Convert to fraction form
    25,127,977,759.20/37,691,966,638.80 = 21,258,142,495.20/x
  3. Step 3: Cross multiply
    25,127,977,759.20x = 37,691,966,638.80 × 21,258,142,495.20
  4. Step 4: Simplify right side
    25,127,977,759.20x = 801,261,197,731,935,027,200
  5. Step 5: Solve for x
    x = 801,261,197,731,935,027,200/25,127,977,759.20
  6. Step 6: Final answer
    x = 31,887,213,742.80

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Double scale
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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.