Home / 347,728,609.60-521,592,914.40-105,360,020.80

Finding the Fourth Proportional to 347,728,609.60, 521,592,914.40 and 105,360,020.80

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Solution

The fourth proportional to 347,728,609.60, 521,592,914.40 and 105,360,020.80 is: 158,040,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,728,609.60 : 521,592,914.40 = 105,360,020.80 : x
  2. Step 2: Convert to fraction form
    347,728,609.60/521,592,914.40 = 105,360,020.80/x
  3. Step 3: Cross multiply
    347,728,609.60x = 521,592,914.40 × 105,360,020.80
  4. Step 4: Simplify right side
    347,728,609.60x = 54,955,040,310,316,616
  5. Step 5: Solve for x
    x = 54,955,040,310,316,616/347,728,609.60
  6. Step 6: Final answer
    x = 158,040,031.20

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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.