Home / 145,088,635.80-200,222,329.96-79,009,114.24

Finding the Fourth Proportional to 145,088,635.80, 200,222,329.96 and 79,009,114.24

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Solution

The fourth proportional to 145,088,635.80, 200,222,329.96 and 79,009,114.24 is: 109,032,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,635.80 : 200,222,329.96 = 79,009,114.24 : x
  2. Step 2: Convert to fraction form
    145,088,635.80/200,222,329.96 = 79,009,114.24/x
  3. Step 3: Cross multiply
    145,088,635.80x = 200,222,329.96 × 79,009,114.24
  4. Step 4: Simplify right side
    145,088,635.80x = 15,819,388,941,208,614
  5. Step 5: Solve for x
    x = 15,819,388,941,208,614/145,088,635.80
  6. Step 6: Final answer
    x = 109,032,584.49

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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.