Home / 25,127,977,964.70-37,691,966,947.05-21,258,142,700.70

Finding the Fourth Proportional to 25,127,977,964.70, 37,691,966,947.05 and 21,258,142,700.70

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Solution

The fourth proportional to 25,127,977,964.70, 37,691,966,947.05 and 21,258,142,700.70 is: 31,887,214,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127,977,964.70 : 37,691,966,947.05 = 21,258,142,700.70 : x
  2. Step 2: Convert to fraction form
    25,127,977,964.70/37,691,966,947.05 = 21,258,142,700.70/x
  3. Step 3: Cross multiply
    25,127,977,964.70x = 37,691,966,947.05 × 21,258,142,700.70
  4. Step 4: Simplify right side
    25,127,977,964.70x = 801,261,212,030,456,692,736
  5. Step 5: Solve for x
    x = 801,261,212,030,456,692,736/25,127,977,964.70
  6. Step 6: Final answer
    x = 31,887,214,051.05

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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.