Home / 220,786,785.59-304,687,779.15-121,671,089.24

Finding the Fourth Proportional to 220,786,785.59, 304,687,779.15 and 121,671,089.24

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Solution

The fourth proportional to 220,786,785.59, 304,687,779.15 and 121,671,089.24 is: 167,907,213.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,786,785.59 : 304,687,779.15 = 121,671,089.24 : x
  2. Step 2: Convert to fraction form
    220,786,785.59/304,687,779.15 = 121,671,089.24/x
  3. Step 3: Cross multiply
    220,786,785.59x = 304,687,779.15 × 121,671,089.24
  4. Step 4: Simplify right side
    220,786,785.59x = 37,071,693,965,773,616
  5. Step 5: Solve for x
    x = 37,071,693,965,773,616/220,786,785.59
  6. Step 6: Final answer
    x = 167,907,213.59

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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.