Home / 190,445,769.65-285,666,100.61-52,271,213.40

Finding the Fourth Proportional to 190,445,769.65, 285,666,100.61 and 52,271,213.40

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Solution

The fourth proportional to 190,445,769.65, 285,666,100.61 and 52,271,213.40 is: 78,406,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,445,769.65 : 285,666,100.61 = 52,271,213.40 : x
  2. Step 2: Convert to fraction form
    190,445,769.65/285,666,100.61 = 52,271,213.40/x
  3. Step 3: Cross multiply
    190,445,769.65x = 285,666,100.61 × 52,271,213.40
  4. Step 4: Simplify right side
    190,445,769.65x = 14,932,113,705,869,824
  5. Step 5: Solve for x
    x = 14,932,113,705,869,824/190,445,769.65
  6. Step 6: Final answer
    x = 78,406,119.15

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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.