Home / 186,638,320.80-279,957,481.20-148,091,133.60

Finding the Fourth Proportional to 186,638,320.80, 279,957,481.20 and 148,091,133.60

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Solution

The fourth proportional to 186,638,320.80, 279,957,481.20 and 148,091,133.60 is: 222,136,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,638,320.80 : 279,957,481.20 = 148,091,133.60 : x
  2. Step 2: Convert to fraction form
    186,638,320.80/279,957,481.20 = 148,091,133.60/x
  3. Step 3: Cross multiply
    186,638,320.80x = 279,957,481.20 × 148,091,133.60
  4. Step 4: Simplify right side
    186,638,320.80x = 41,459,220,750,708,688
  5. Step 5: Solve for x
    x = 41,459,220,750,708,688/186,638,320.80
  6. Step 6: Final answer
    x = 222,136,700.40

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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.