Home / 170,769,837.80-256,154,756.70-43,119,021.80

Finding the Fourth Proportional to 170,769,837.80, 256,154,756.70 and 43,119,021.80

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Solution

The fourth proportional to 170,769,837.80, 256,154,756.70 and 43,119,021.80 is: 64,678,532.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,769,837.80 : 256,154,756.70 = 43,119,021.80 : x
  2. Step 2: Convert to fraction form
    170,769,837.80/256,154,756.70 = 43,119,021.80/x
  3. Step 3: Cross multiply
    170,769,837.80x = 256,154,756.70 × 43,119,021.80
  4. Step 4: Simplify right side
    170,769,837.80x = 11,045,142,538,320,994
  5. Step 5: Solve for x
    x = 11,045,142,538,320,994/170,769,837.80
  6. Step 6: Final answer
    x = 64,678,532.70

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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.