Home / 186,939,992.58-280,159,338.20-145,490,918.41

Finding the Fourth Proportional to 186,939,992.58, 280,159,338.20 and 145,490,918.41

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Solution

The fourth proportional to 186,939,992.58, 280,159,338.20 and 145,490,918.41 is: 218,041,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939,992.58 : 280,159,338.20 = 145,490,918.41 : x
  2. Step 2: Convert to fraction form
    186,939,992.58/280,159,338.20 = 145,490,918.41/x
  3. Step 3: Cross multiply
    186,939,992.58x = 280,159,338.20 × 145,490,918.41
  4. Step 4: Simplify right side
    186,939,992.58x = 40,760,639,415,128,336
  5. Step 5: Solve for x
    x = 40,760,639,415,128,336/186,939,992.58
  6. Step 6: Final answer
    x = 218,041,302.20

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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.