Home / 186,028,898.20-279,043,347.30-145,673,877.40

Finding the Fourth Proportional to 186,028,898.20, 279,043,347.30 and 145,673,877.40

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Solution

The fourth proportional to 186,028,898.20, 279,043,347.30 and 145,673,877.40 is: 218,510,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028,898.20 : 279,043,347.30 = 145,673,877.40 : x
  2. Step 2: Convert to fraction form
    186,028,898.20/279,043,347.30 = 145,673,877.40/x
  3. Step 3: Cross multiply
    186,028,898.20x = 279,043,347.30 × 145,673,877.40
  4. Step 4: Simplify right side
    186,028,898.20x = 40,649,326,363,865,824
  5. Step 5: Solve for x
    x = 40,649,326,363,865,824/186,028,898.20
  6. Step 6: Final answer
    x = 218,510,816.10

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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.