Home / 202,172,653.49-279,168,330.80-127,964,126.77

Finding the Fourth Proportional to 202,172,653.49, 279,168,330.80 and 127,964,126.77

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Solution

The fourth proportional to 202,172,653.49, 279,168,330.80 and 127,964,126.77 is: 176,698,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172,653.49 : 279,168,330.80 = 127,964,126.77 : x
  2. Step 2: Convert to fraction form
    202,172,653.49/279,168,330.80 = 127,964,126.77/x
  3. Step 3: Cross multiply
    202,172,653.49x = 279,168,330.80 × 127,964,126.77
  4. Step 4: Simplify right side
    202,172,653.49x = 35,723,531,672,282,484
  5. Step 5: Solve for x
    x = 35,723,531,672,282,484/202,172,653.49
  6. Step 6: Final answer
    x = 176,698,139.22

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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.