Home / 491,457,070.80-737,185,606.20-127,951,426.80

Finding the Fourth Proportional to 491,457,070.80, 737,185,606.20 and 127,951,426.80

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Solution

The fourth proportional to 491,457,070.80, 737,185,606.20 and 127,951,426.80 is: 191,927,140.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,457,070.80 : 737,185,606.20 = 127,951,426.80 : x
  2. Step 2: Convert to fraction form
    491,457,070.80/737,185,606.20 = 127,951,426.80/x
  3. Step 3: Cross multiply
    491,457,070.80x = 737,185,606.20 × 127,951,426.80
  4. Step 4: Simplify right side
    491,457,070.80x = 94,323,950,129,712,928
  5. Step 5: Solve for x
    x = 94,323,950,129,712,928/491,457,070.80
  6. Step 6: Final answer
    x = 191,927,140.20

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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.