Home / 54,178,116,496.52-81,277,640,347.58-20,599,128,177.87

Finding the Fourth Proportional to 54,178,116,496.52, 81,277,640,347.58 and 20,599,128,177.87

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Solution

The fourth proportional to 54,178,116,496.52, 81,277,640,347.58 and 20,599,128,177.87 is: 30,902,671,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178,116,496.52 : 81,277,640,347.58 = 20,599,128,177.87 : x
  2. Step 2: Convert to fraction form
    54,178,116,496.52/81,277,640,347.58 = 20,599,128,177.87/x
  3. Step 3: Cross multiply
    54,178,116,496.52x = 81,277,640,347.58 × 20,599,128,177.87
  4. Step 4: Simplify right side
    54,178,116,496.52x = 1,674,248,531,514,515,783,680
  5. Step 5: Solve for x
    x = 1,674,248,531,514,515,783,680/54,178,116,496.52
  6. Step 6: Final answer
    x = 30,902,671,406.49

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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.