Home / 98,870,491.60-148,305,737.40-30,734,069.20

Finding the Fourth Proportional to 98,870,491.60, 148,305,737.40 and 30,734,069.20

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Solution

The fourth proportional to 98,870,491.60, 148,305,737.40 and 30,734,069.20 is: 46,101,103.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,870,491.60 : 148,305,737.40 = 30,734,069.20 : x
  2. Step 2: Convert to fraction form
    98,870,491.60/148,305,737.40 = 30,734,069.20/x
  3. Step 3: Cross multiply
    98,870,491.60x = 148,305,737.40 × 30,734,069.20
  4. Step 4: Simplify right side
    98,870,491.60x = 4,558,038,796,008,628
  5. Step 5: Solve for x
    x = 4,558,038,796,008,628/98,870,491.60
  6. Step 6: Final answer
    x = 46,101,103.80

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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.