Home / 185,924,510.04-278,920,809.34-76,690,090.56

Finding the Fourth Proportional to 185,924,510.04, 278,920,809.34 and 76,690,090.56

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Solution

The fourth proportional to 185,924,510.04, 278,920,809.34 and 76,690,090.56 is: 115,049,178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,924,510.04 : 278,920,809.34 = 76,690,090.56 : x
  2. Step 2: Convert to fraction form
    185,924,510.04/278,920,809.34 = 76,690,090.56/x
  3. Step 3: Cross multiply
    185,924,510.04x = 278,920,809.34 × 76,690,090.56
  4. Step 4: Simplify right side
    185,924,510.04x = 21,390,462,127,353,092
  5. Step 5: Solve for x
    x = 21,390,462,127,353,092/185,924,510.04
  6. Step 6: Final answer
    x = 115,049,178.42

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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.