Home / 199,280,946.90-298,887,357.24-53,680,457.40

Finding the Fourth Proportional to 199,280,946.90, 298,887,357.24 and 53,680,457.40

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Solution

The fourth proportional to 199,280,946.90, 298,887,357.24 and 53,680,457.40 is: 80,511,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280,946.90 : 298,887,357.24 = 53,680,457.40 : x
  2. Step 2: Convert to fraction form
    199,280,946.90/298,887,357.24 = 53,680,457.40/x
  3. Step 3: Cross multiply
    199,280,946.90x = 298,887,357.24 × 53,680,457.40
  4. Step 4: Simplify right side
    199,280,946.90x = 16,044,410,046,599,576
  5. Step 5: Solve for x
    x = 16,044,410,046,599,576/199,280,946.90
  6. Step 6: Final answer
    x = 80,511,510.49

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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.