Home / 178,848,020.80-268,272,031.20-124,428,462.40

Finding the Fourth Proportional to 178,848,020.80, 268,272,031.20 and 124,428,462.40

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Solution

The fourth proportional to 178,848,020.80, 268,272,031.20 and 124,428,462.40 is: 186,642,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,020.80 : 268,272,031.20 = 124,428,462.40 : x
  2. Step 2: Convert to fraction form
    178,848,020.80/268,272,031.20 = 124,428,462.40/x
  3. Step 3: Cross multiply
    178,848,020.80x = 268,272,031.20 × 124,428,462.40
  4. Step 4: Simplify right side
    178,848,020.80x = 33,380,676,347,140,828
  5. Step 5: Solve for x
    x = 33,380,676,347,140,828/178,848,020.80
  6. Step 6: Final answer
    x = 186,642,693.60

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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.