Home / 54,178,116,494.77-81,277,640,344.95-20,599,128,176.12

Finding the Fourth Proportional to 54,178,116,494.77, 81,277,640,344.95 and 20,599,128,176.12

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Solution

The fourth proportional to 54,178,116,494.77, 81,277,640,344.95 and 20,599,128,176.12 is: 30,902,671,403.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,178,116,494.77 : 81,277,640,344.95 = 20,599,128,176.12 : x
  2. Step 2: Convert to fraction form
    54,178,116,494.77/81,277,640,344.95 = 20,599,128,176.12/x
  3. Step 3: Cross multiply
    54,178,116,494.77x = 81,277,640,344.95 × 20,599,128,176.12
  4. Step 4: Simplify right side
    54,178,116,494.77x = 1,674,248,531,317,698,068,480
  5. Step 5: Solve for x
    x = 1,674,248,531,317,698,068,480/54,178,116,494.77
  6. Step 6: Final answer
    x = 30,902,671,403.86

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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.