Home / 185,924,564.04-278,920,890.40-76,690,144.56

Finding the Fourth Proportional to 185,924,564.04, 278,920,890.40 and 76,690,144.56

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Solution

The fourth proportional to 185,924,564.04, 278,920,890.40 and 76,690,144.56 is: 115,049,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924,564.04 : 278,920,890.40 = 76,690,144.56 : x
  2. Step 2: Convert to fraction form
    185,924,564.04/278,920,890.40 = 76,690,144.56/x
  3. Step 3: Cross multiply
    185,924,564.04x = 278,920,890.40 × 76,690,144.56
  4. Step 4: Simplify right side
    185,924,564.04x = 21,390,483,405,579,916
  5. Step 5: Solve for x
    x = 21,390,483,405,579,916/185,924,564.04
  6. Step 6: Final answer
    x = 115,049,259.45

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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.