Home / 31,106,203,826.52-42,921,943,520.82-18,892,553,191.40

Finding the Fourth Proportional to 31,106,203,826.52, 42,921,943,520.82 and 18,892,553,191.40

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Solution

The fourth proportional to 31,106,203,826.52, 42,921,943,520.82 and 18,892,553,191.40 is: 26,068,918,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106,203,826.52 : 42,921,943,520.82 = 18,892,553,191.40 : x
  2. Step 2: Convert to fraction form
    31,106,203,826.52/42,921,943,520.82 = 18,892,553,191.40/x
  3. Step 3: Cross multiply
    31,106,203,826.52x = 42,921,943,520.82 × 18,892,553,191.40
  4. Step 4: Simplify right side
    31,106,203,826.52x = 810,905,101,045,358,526,464
  5. Step 5: Solve for x
    x = 810,905,101,045,358,526,464/31,106,203,826.52
  6. Step 6: Final answer
    x = 26,068,918,778.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.