Home / 109,412,571.60-164,118,857.40-83,903,403.60

Finding the Fourth Proportional to 109,412,571.60, 164,118,857.40 and 83,903,403.60

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Solution

The fourth proportional to 109,412,571.60, 164,118,857.40 and 83,903,403.60 is: 125,855,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,412,571.60 : 164,118,857.40 = 83,903,403.60 : x
  2. Step 2: Convert to fraction form
    109,412,571.60/164,118,857.40 = 83,903,403.60/x
  3. Step 3: Cross multiply
    109,412,571.60x = 164,118,857.40 × 83,903,403.60
  4. Step 4: Simplify right side
    109,412,571.60x = 13,770,130,730,803,046
  5. Step 5: Solve for x
    x = 13,770,130,730,803,046/109,412,571.60
  6. Step 6: Final answer
    x = 125,855,105.40

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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.