Home / 108,315,037.86-162,466,576.50-79,198,714.08

Finding the Fourth Proportional to 108,315,037.86, 162,466,576.50 and 79,198,714.08

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Solution

The fourth proportional to 108,315,037.86, 162,466,576.50 and 79,198,714.08 is: 118,793,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,315,037.86 : 162,466,576.50 = 79,198,714.08 : x
  2. Step 2: Convert to fraction form
    108,315,037.86/162,466,576.50 = 79,198,714.08/x
  3. Step 3: Cross multiply
    108,315,037.86x = 162,466,576.50 × 79,198,714.08
  4. Step 4: Simplify right side
    108,315,037.86x = 12,867,143,939,779,946
  5. Step 5: Solve for x
    x = 12,867,143,939,779,946/108,315,037.86
  6. Step 6: Final answer
    x = 118,793,698.40

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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.