Home / 108,645,806.10-162,968,709.15-83,136,638.10

Finding the Fourth Proportional to 108,645,806.10, 162,968,709.15 and 83,136,638.10

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Solution

The fourth proportional to 108,645,806.10, 162,968,709.15 and 83,136,638.10 is: 124,704,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,645,806.10 : 162,968,709.15 = 83,136,638.10 : x
  2. Step 2: Convert to fraction form
    108,645,806.10/162,968,709.15 = 83,136,638.10/x
  3. Step 3: Cross multiply
    108,645,806.10x = 162,968,709.15 × 83,136,638.10
  4. Step 4: Simplify right side
    108,645,806.10x = 13,548,670,594,227,708
  5. Step 5: Solve for x
    x = 13,548,670,594,227,708/108,645,806.10
  6. Step 6: Final answer
    x = 124,704,957.15

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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.