Home / 108,640,266.30-162,989,267.85-47,203,062.30

Finding the Fourth Proportional to 108,640,266.30, 162,989,267.85 and 47,203,062.30

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Solution

The fourth proportional to 108,640,266.30, 162,989,267.85 and 47,203,062.30 is: 70,817,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640,266.30 : 162,989,267.85 = 47,203,062.30 : x
  2. Step 2: Convert to fraction form
    108,640,266.30/162,989,267.85 = 47,203,062.30/x
  3. Step 3: Cross multiply
    108,640,266.30x = 162,989,267.85 × 47,203,062.30
  4. Step 4: Simplify right side
    108,640,266.30x = 7,693,592,564,554,936
  5. Step 5: Solve for x
    x = 7,693,592,564,554,936/108,640,266.30
  6. Step 6: Final answer
    x = 70,817,136.47

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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.