Home / 60,579,746.70-90,870,138.45-20,190,230.70

Finding the Fourth Proportional to 60,579,746.70, 90,870,138.45 and 20,190,230.70

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Solution

The fourth proportional to 60,579,746.70, 90,870,138.45 and 20,190,230.70 is: 30,285,518.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,579,746.70 : 90,870,138.45 = 20,190,230.70 : x
  2. Step 2: Convert to fraction form
    60,579,746.70/90,870,138.45 = 20,190,230.70/x
  3. Step 3: Cross multiply
    60,579,746.70x = 90,870,138.45 × 20,190,230.70
  4. Step 4: Simplify right side
    60,579,746.70x = 1,834,689,059,046,440.50
  5. Step 5: Solve for x
    x = 1,834,689,059,046,440.50/60,579,746.70
  6. Step 6: Final answer
    x = 30,285,518.82

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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.