Home / 78,636,662,072-117,942,079,077.12-33,856,102,849.28

Finding the Fourth Proportional to 78,636,662,072, 117,942,079,077.12 and 33,856,102,849.28

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Solution

The fourth proportional to 78,636,662,072, 117,942,079,077.12 and 33,856,102,849.28 is: 50,778,594,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,636,662,072 : 117,942,079,077.12 = 33,856,102,849.28 : x
  2. Step 2: Convert to fraction form
    78,636,662,072/117,942,079,077.12 = 33,856,102,849.28/x
  3. Step 3: Cross multiply
    78,636,662,072x = 117,942,079,077.12 × 33,856,102,849.28
  4. Step 4: Simplify right side
    78,636,662,072x = 3,993,059,159,492,889,411,584
  5. Step 5: Solve for x
    x = 3,993,059,159,492,889,411,584/78,636,662,072
  6. Step 6: Final answer
    x = 50,778,594,287.70

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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.