Home / 220,807,467.04-304,716,387.16-121,691,788.72

Finding the Fourth Proportional to 220,807,467.04, 304,716,387.16 and 121,691,788.72

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Solution

The fourth proportional to 220,807,467.04, 304,716,387.16 and 121,691,788.72 is: 167,935,816.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,807,467.04 : 304,716,387.16 = 121,691,788.72 : x
  2. Step 2: Convert to fraction form
    220,807,467.04/304,716,387.16 = 121,691,788.72/x
  3. Step 3: Cross multiply
    220,807,467.04x = 304,716,387.16 × 121,691,788.72
  4. Step 4: Simplify right side
    220,807,467.04x = 37,081,482,205,796,440
  5. Step 5: Solve for x
    x = 37,081,482,205,796,440/220,807,467.04
  6. Step 6: Final answer
    x = 167,935,816.22

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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.