Home / 266,579,134.05-399,886,246.61-69,847,364.51

Finding the Fourth Proportional to 266,579,134.05, 399,886,246.61 and 69,847,364.51

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Solution

The fourth proportional to 266,579,134.05, 399,886,246.61 and 69,847,364.51 is: 104,775,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,579,134.05 : 399,886,246.61 = 69,847,364.51 : x
  2. Step 2: Convert to fraction form
    266,579,134.05/399,886,246.61 = 69,847,364.51/x
  3. Step 3: Cross multiply
    266,579,134.05x = 399,886,246.61 × 69,847,364.51
  4. Step 4: Simplify right side
    266,579,134.05x = 27,931,000,428,917,256
  5. Step 5: Solve for x
    x = 27,931,000,428,917,256/266,579,134.05
  6. Step 6: Final answer
    x = 104,775,643.93

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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.