Home / 112,803,836.76-169,206,339.03-51,350,018.34

Finding the Fourth Proportional to 112,803,836.76, 169,206,339.03 and 51,350,018.34

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Solution

The fourth proportional to 112,803,836.76, 169,206,339.03 and 51,350,018.34 is: 77,025,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,803,836.76 : 169,206,339.03 = 51,350,018.34 : x
  2. Step 2: Convert to fraction form
    112,803,836.76/169,206,339.03 = 51,350,018.34/x
  3. Step 3: Cross multiply
    112,803,836.76x = 169,206,339.03 × 51,350,018.34
  4. Step 4: Simplify right side
    112,803,836.76x = 8,688,748,612,434,758
  5. Step 5: Solve for x
    x = 8,688,748,612,434,758/112,803,836.76
  6. Step 6: Final answer
    x = 77,025,293.31

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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.