Home / 25,127,938,844.20-37,691,908,266.30-21,258,103,580.20

Finding the Fourth Proportional to 25,127,938,844.20, 37,691,908,266.30 and 21,258,103,580.20

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Solution

The fourth proportional to 25,127,938,844.20, 37,691,908,266.30 and 21,258,103,580.20 is: 31,887,155,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127,938,844.20 : 37,691,908,266.30 = 21,258,103,580.20 : x
  2. Step 2: Convert to fraction form
    25,127,938,844.20/37,691,908,266.30 = 21,258,103,580.20/x
  3. Step 3: Cross multiply
    25,127,938,844.20x = 37,691,908,266.30 × 21,258,103,580.20
  4. Step 4: Simplify right side
    25,127,938,844.20x = 801,258,490,060,402,065,408
  5. Step 5: Solve for x
    x = 801,258,490,060,402,065,408/25,127,938,844.20
  6. Step 6: Final answer
    x = 31,887,155,370.30

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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.