Home / 108,435,821.10-162,779,702.85-65,353,670.70

Finding the Fourth Proportional to 108,435,821.10, 162,779,702.85 and 65,353,670.70

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Solution

The fourth proportional to 108,435,821.10, 162,779,702.85 and 65,353,670.70 is: 98,106,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,435,821.10 : 162,779,702.85 = 65,353,670.70 : x
  2. Step 2: Convert to fraction form
    108,435,821.10/162,779,702.85 = 65,353,670.70/x
  3. Step 3: Cross multiply
    108,435,821.10x = 162,779,702.85 × 65,353,670.70
  4. Step 4: Simplify right side
    108,435,821.10x = 10,638,251,096,702,752
  5. Step 5: Solve for x
    x = 10,638,251,096,702,752/108,435,821.10
  6. Step 6: Final answer
    x = 98,106,428.20

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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.