Home / 145,088,633.55-200,222,326.84-79,009,111.99

Finding the Fourth Proportional to 145,088,633.55, 200,222,326.84 and 79,009,111.99

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Solution

The fourth proportional to 145,088,633.55, 200,222,326.84 and 79,009,111.99 is: 109,032,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,088,633.55 : 200,222,326.84 = 79,009,111.99 : x
  2. Step 2: Convert to fraction form
    145,088,633.55/200,222,326.84 = 79,009,111.99/x
  3. Step 3: Cross multiply
    145,088,633.55x = 200,222,326.84 × 79,009,111.99
  4. Step 4: Simplify right side
    145,088,633.55x = 15,819,388,244,199,942
  5. Step 5: Solve for x
    x = 15,819,388,244,199,942/145,088,633.55
  6. Step 6: Final answer
    x = 109,032,581.38

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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.