Home / 186,627,983.40-279,941,975.10-168,488,130.60

Finding the Fourth Proportional to 186,627,983.40, 279,941,975.10 and 168,488,130.60

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Solution

The fourth proportional to 186,627,983.40, 279,941,975.10 and 168,488,130.60 is: 252,732,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627,983.40 : 279,941,975.10 = 168,488,130.60 : x
  2. Step 2: Convert to fraction form
    186,627,983.40/279,941,975.10 = 168,488,130.60/x
  3. Step 3: Cross multiply
    186,627,983.40x = 279,941,975.10 × 168,488,130.60
  4. Step 4: Simplify right side
    186,627,983.40x = 47,166,900,061,070,752
  5. Step 5: Solve for x
    x = 47,166,900,061,070,752/186,627,983.40
  6. Step 6: Final answer
    x = 252,732,195.90

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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.