Home / 108,435,820.60-162,779,702.10-65,353,670.20

Finding the Fourth Proportional to 108,435,820.60, 162,779,702.10 and 65,353,670.20

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Solution

The fourth proportional to 108,435,820.60, 162,779,702.10 and 65,353,670.20 is: 98,106,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,435,820.60 : 162,779,702.10 = 65,353,670.20 : x
  2. Step 2: Convert to fraction form
    108,435,820.60/162,779,702.10 = 65,353,670.20/x
  3. Step 3: Cross multiply
    108,435,820.60x = 162,779,702.10 × 65,353,670.20
  4. Step 4: Simplify right side
    108,435,820.60x = 10,638,250,966,297,648
  5. Step 5: Solve for x
    x = 10,638,250,966,297,648/108,435,820.60
  6. Step 6: Final answer
    x = 98,106,427.45

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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.