Home / 186,834,963.70-280,252,445.55-109,032,001.30

Finding the Fourth Proportional to 186,834,963.70, 280,252,445.55 and 109,032,001.30

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Solution

The fourth proportional to 186,834,963.70, 280,252,445.55 and 109,032,001.30 is: 163,548,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,834,963.70 : 280,252,445.55 = 109,032,001.30 : x
  2. Step 2: Convert to fraction form
    186,834,963.70/280,252,445.55 = 109,032,001.30/x
  3. Step 3: Cross multiply
    186,834,963.70x = 280,252,445.55 × 109,032,001.30
  4. Step 4: Simplify right side
    186,834,963.70x = 30,556,485,007,535,780
  5. Step 5: Solve for x
    x = 30,556,485,007,535,780/186,834,963.70
  6. Step 6: Final answer
    x = 163,548,001.95

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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.