Home / 186,927,946.38-280,454,212.62-117,760,897.80

Finding the Fourth Proportional to 186,927,946.38, 280,454,212.62 and 117,760,897.80

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Solution

The fourth proportional to 186,927,946.38, 280,454,212.62 and 117,760,897.80 is: 176,680,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,927,946.38 : 280,454,212.62 = 117,760,897.80 : x
  2. Step 2: Convert to fraction form
    186,927,946.38/280,454,212.62 = 117,760,897.80/x
  3. Step 3: Cross multiply
    186,927,946.38x = 280,454,212.62 × 117,760,897.80
  4. Step 4: Simplify right side
    186,927,946.38x = 33,026,539,869,923,288
  5. Step 5: Solve for x
    x = 33,026,539,869,923,288/186,927,946.38
  6. Step 6: Final answer
    x = 176,680,590.09

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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.