Home / 105,984,006.60-158,976,009.90-79,110,150.60

Finding the Fourth Proportional to 105,984,006.60, 158,976,009.90 and 79,110,150.60

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Solution

The fourth proportional to 105,984,006.60, 158,976,009.90 and 79,110,150.60 is: 118,665,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,006.60 : 158,976,009.90 = 79,110,150.60 : x
  2. Step 2: Convert to fraction form
    105,984,006.60/158,976,009.90 = 79,110,150.60/x
  3. Step 3: Cross multiply
    105,984,006.60x = 158,976,009.90 × 79,110,150.60
  4. Step 4: Simplify right side
    105,984,006.60x = 12,576,616,084,976,090
  5. Step 5: Solve for x
    x = 12,576,616,084,976,090/105,984,006.60
  6. Step 6: Final answer
    x = 118,665,225.90

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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.