Home / 126,963,036.81-175,031,879.21-85,154,573.34

Finding the Fourth Proportional to 126,963,036.81, 175,031,879.21 and 85,154,573.34

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Solution

The fourth proportional to 126,963,036.81, 175,031,879.21 and 85,154,573.34 is: 117,394,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,963,036.81 : 175,031,879.21 = 85,154,573.34 : x
  2. Step 2: Convert to fraction form
    126,963,036.81/175,031,879.21 = 85,154,573.34/x
  3. Step 3: Cross multiply
    126,963,036.81x = 175,031,879.21 × 85,154,573.34
  4. Step 4: Simplify right side
    126,963,036.81x = 14,904,764,995,285,510
  5. Step 5: Solve for x
    x = 14,904,764,995,285,510/126,963,036.81
  6. Step 6: Final answer
    x = 117,394,521.82

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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.