Home / 78,245,850,470.10-117,368,775,705.15-78,245,850,470.10

Finding the Fourth Proportional to 78,245,850,470.10, 117,368,775,705.15 and 78,245,850,470.10

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Solution

The fourth proportional to 78,245,850,470.10, 117,368,775,705.15 and 78,245,850,470.10 is: 117,368,775,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,245,850,470.10 : 117,368,775,705.15 = 78,245,850,470.10 : x
  2. Step 2: Convert to fraction form
    78,245,850,470.10/117,368,775,705.15 = 78,245,850,470.10/x
  3. Step 3: Cross multiply
    78,245,850,470.10x = 117,368,775,705.15 × 78,245,850,470.10
  4. Step 4: Simplify right side
    78,245,850,470.10x = 9,183,619,673,683,872,710,656
  5. Step 5: Solve for x
    x = 9,183,619,673,683,872,710,656/78,245,850,470.10
  6. Step 6: Final answer
    x = 117,368,775,705.15

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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.