Home / 150,088,570.88-207,104,823.96-84,012,769.04

Finding the Fourth Proportional to 150,088,570.88, 207,104,823.96 and 84,012,769.04

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Solution

The fourth proportional to 150,088,570.88, 207,104,823.96 and 84,012,769.04 is: 115,927,879.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,088,570.88 : 207,104,823.96 = 84,012,769.04 : x
  2. Step 2: Convert to fraction form
    150,088,570.88/207,104,823.96 = 84,012,769.04/x
  3. Step 3: Cross multiply
    150,088,570.88x = 207,104,823.96 × 84,012,769.04
  4. Step 4: Simplify right side
    150,088,570.88x = 17,399,449,742,421,340
  5. Step 5: Solve for x
    x = 17,399,449,742,421,340/150,088,570.88
  6. Step 6: Final answer
    x = 115,927,879.39

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1.5x scale

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.