Home / 77,963,845.60-116,945,768.40-63,792,085.60

Finding the Fourth Proportional to 77,963,845.60, 116,945,768.40 and 63,792,085.60

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Solution

The fourth proportional to 77,963,845.60, 116,945,768.40 and 63,792,085.60 is: 95,688,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,963,845.60 : 116,945,768.40 = 63,792,085.60 : x
  2. Step 2: Convert to fraction form
    77,963,845.60/116,945,768.40 = 63,792,085.60/x
  3. Step 3: Cross multiply
    77,963,845.60x = 116,945,768.40 × 63,792,085.60
  4. Step 4: Simplify right side
    77,963,845.60x = 7,460,214,468,330,576
  5. Step 5: Solve for x
    x = 7,460,214,468,330,576/77,963,845.60
  6. Step 6: Final answer
    x = 95,688,128.40

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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.