Home / 200,878,421.06-277,242,476.28-122,607,458.48

Finding the Fourth Proportional to 200,878,421.06, 277,242,476.28 and 122,607,458.48

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Solution

The fourth proportional to 200,878,421.06, 277,242,476.28 and 122,607,458.48 is: 169,216,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,878,421.06 : 277,242,476.28 = 122,607,458.48 : x
  2. Step 2: Convert to fraction form
    200,878,421.06/277,242,476.28 = 122,607,458.48/x
  3. Step 3: Cross multiply
    200,878,421.06x = 277,242,476.28 × 122,607,458.48
  4. Step 4: Simplify right side
    200,878,421.06x = 33,991,995,399,392,484
  5. Step 5: Solve for x
    x = 33,991,995,399,392,484/200,878,421.06
  6. Step 6: Final answer
    x = 169,216,759.17

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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.