Home / 186,939,866.58-280,159,149.16-145,490,793.16

Finding the Fourth Proportional to 186,939,866.58, 280,159,149.16 and 145,490,793.16

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Solution

The fourth proportional to 186,939,866.58, 280,159,149.16 and 145,490,793.16 is: 218,041,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,939,866.58 : 280,159,149.16 = 145,490,793.16 : x
  2. Step 2: Convert to fraction form
    186,939,866.58/280,159,149.16 = 145,490,793.16/x
  3. Step 3: Cross multiply
    186,939,866.58x = 280,159,149.16 × 145,490,793.16
  4. Step 4: Simplify right side
    186,939,866.58x = 40,760,576,822,319,152
  5. Step 5: Solve for x
    x = 40,760,576,822,319,152/186,939,866.58
  6. Step 6: Final answer
    x = 218,041,114.33

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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.