Home / 209,744,427.96-289,464,543.54-115,676,973.36

Finding the Fourth Proportional to 209,744,427.96, 289,464,543.54 and 115,676,973.36

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Solution

The fourth proportional to 209,744,427.96, 289,464,543.54 and 115,676,973.36 is: 159,643,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,744,427.96 : 289,464,543.54 = 115,676,973.36 : x
  2. Step 2: Convert to fraction form
    209,744,427.96/289,464,543.54 = 115,676,973.36/x
  3. Step 3: Cross multiply
    209,744,427.96x = 289,464,543.54 × 115,676,973.36
  4. Step 4: Simplify right side
    209,744,427.96x = 33,484,382,291,741,144
  5. Step 5: Solve for x
    x = 33,484,382,291,741,144/209,744,427.96
  6. Step 6: Final answer
    x = 159,643,727.45

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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.