Home / 255,973,275.98-353,240,606.01-138,496,028.59

Finding the Fourth Proportional to 255,973,275.98, 353,240,606.01 and 138,496,028.59

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Solution

The fourth proportional to 255,973,275.98, 353,240,606.01 and 138,496,028.59 is: 191,123,158.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,973,275.98 : 353,240,606.01 = 138,496,028.59 : x
  2. Step 2: Convert to fraction form
    255,973,275.98/353,240,606.01 = 138,496,028.59/x
  3. Step 3: Cross multiply
    255,973,275.98x = 353,240,606.01 × 138,496,028.59
  4. Step 4: Simplify right side
    255,973,275.98x = 48,922,421,070,070,800
  5. Step 5: Solve for x
    x = 48,922,421,070,070,800/255,973,275.98
  6. Step 6: Final answer
    x = 191,123,158.79

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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.