Home / 78,847,532.40-118,106,325.09-63,411,383.46

Finding the Fourth Proportional to 78,847,532.40, 118,106,325.09 and 63,411,383.46

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Solution

The fourth proportional to 78,847,532.40, 118,106,325.09 and 63,411,383.46 is: 94,984,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,847,532.40 : 118,106,325.09 = 63,411,383.46 : x
  2. Step 2: Convert to fraction form
    78,847,532.40/118,106,325.09 = 63,411,383.46/x
  3. Step 3: Cross multiply
    78,847,532.40x = 118,106,325.09 × 63,411,383.46
  4. Step 4: Simplify right side
    78,847,532.40x = 7,489,285,469,333,409
  5. Step 5: Solve for x
    x = 7,489,285,469,333,409/78,847,532.40
  6. Step 6: Final answer
    x = 94,984,398.89

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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.