Home / 152,070,766.23-209,861,783.84-86,001,144.49

Finding the Fourth Proportional to 152,070,766.23, 209,861,783.84 and 86,001,144.49

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Solution

The fourth proportional to 152,070,766.23, 209,861,783.84 and 86,001,144.49 is: 118,683,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070,766.23 : 209,861,783.84 = 86,001,144.49 : x
  2. Step 2: Convert to fraction form
    152,070,766.23/209,861,783.84 = 86,001,144.49/x
  3. Step 3: Cross multiply
    152,070,766.23x = 209,861,783.84 × 86,001,144.49
  4. Step 4: Simplify right side
    152,070,766.23x = 18,048,353,593,473,672
  5. Step 5: Solve for x
    x = 18,048,353,593,473,672/152,070,766.23
  6. Step 6: Final answer
    x = 118,683,913.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.