Home / 47,029,248,085.80-70,543,872,128.70-20,856,841,717.80

Finding the Fourth Proportional to 47,029,248,085.80, 70,543,872,128.70 and 20,856,841,717.80

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Solution

The fourth proportional to 47,029,248,085.80, 70,543,872,128.70 and 20,856,841,717.80 is: 31,285,262,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029,248,085.80 : 70,543,872,128.70 = 20,856,841,717.80 : x
  2. Step 2: Convert to fraction form
    47,029,248,085.80/70,543,872,128.70 = 20,856,841,717.80/x
  3. Step 3: Cross multiply
    47,029,248,085.80x = 70,543,872,128.70 × 20,856,841,717.80
  4. Step 4: Simplify right side
    47,029,248,085.80x = 1,471,322,375,149,018,677,248
  5. Step 5: Solve for x
    x = 1,471,322,375,149,018,677,248/47,029,248,085.80
  6. Step 6: Final answer
    x = 31,285,262,576.70

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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.