Home / 334,736,128.62-502,109,201.88-127,485,985.38

Finding the Fourth Proportional to 334,736,128.62, 502,109,201.88 and 127,485,985.38

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Solution

The fourth proportional to 334,736,128.62, 502,109,201.88 and 127,485,985.38 is: 191,230,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,736,128.62 : 502,109,201.88 = 127,485,985.38 : x
  2. Step 2: Convert to fraction form
    334,736,128.62/502,109,201.88 = 127,485,985.38/x
  3. Step 3: Cross multiply
    334,736,128.62x = 502,109,201.88 × 127,485,985.38
  4. Step 4: Simplify right side
    334,736,128.62x = 64,011,886,370,037,144
  5. Step 5: Solve for x
    x = 64,011,886,370,037,144/334,736,128.62
  6. Step 6: Final answer
    x = 191,230,885.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.