Home / 435,135,110.64-652,702,665.96-143,923,988.40

Finding the Fourth Proportional to 435,135,110.64, 652,702,665.96 and 143,923,988.40

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Solution

The fourth proportional to 435,135,110.64, 652,702,665.96 and 143,923,988.40 is: 215,885,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,135,110.64 : 652,702,665.96 = 143,923,988.40 : x
  2. Step 2: Convert to fraction form
    435,135,110.64/652,702,665.96 = 143,923,988.40/x
  3. Step 3: Cross multiply
    435,135,110.64x = 652,702,665.96 × 143,923,988.40
  4. Step 4: Simplify right side
    435,135,110.64x = 93,939,570,924,276,128
  5. Step 5: Solve for x
    x = 93,939,570,924,276,128/435,135,110.64
  6. Step 6: Final answer
    x = 215,885,982.60

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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.