Home / 127,959,542.88-176,593,643.40-72,956,784.48

Finding the Fourth Proportional to 127,959,542.88, 176,593,643.40 and 72,956,784.48

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Solution

The fourth proportional to 127,959,542.88, 176,593,643.40 and 72,956,784.48 is: 100,685,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,959,542.88 : 176,593,643.40 = 72,956,784.48 : x
  2. Step 2: Convert to fraction form
    127,959,542.88/176,593,643.40 = 72,956,784.48/x
  3. Step 3: Cross multiply
    127,959,542.88x = 176,593,643.40 × 72,956,784.48
  4. Step 4: Simplify right side
    127,959,542.88x = 12,883,704,382,071,776
  5. Step 5: Solve for x
    x = 12,883,704,382,071,776/127,959,542.88
  6. Step 6: Final answer
    x = 100,685,764.36

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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.