Home / 218,425,698.72-301,425,672.90-119,306,509.32

Finding the Fourth Proportional to 218,425,698.72, 301,425,672.90 and 119,306,509.32

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Solution

The fourth proportional to 218,425,698.72, 301,425,672.90 and 119,306,509.32 is: 164,642,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,425,698.72 : 301,425,672.90 = 119,306,509.32 : x
  2. Step 2: Convert to fraction form
    218,425,698.72/301,425,672.90 = 119,306,509.32/x
  3. Step 3: Cross multiply
    218,425,698.72x = 301,425,672.90 × 119,306,509.32
  4. Step 4: Simplify right side
    218,425,698.72x = 35,962,044,853,131,116
  5. Step 5: Solve for x
    x = 35,962,044,853,131,116/218,425,698.72
  6. Step 6: Final answer
    x = 164,642,004.42

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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.