Home / 108,358,789.60-149,492,560.08-61,924,132

Finding the Fourth Proportional to 108,358,789.60, 149,492,560.08 and 61,924,132

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Solution

The fourth proportional to 108,358,789.60, 149,492,560.08 and 61,924,132 is: 85,430,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,358,789.60 : 149,492,560.08 = 61,924,132 : x
  2. Step 2: Convert to fraction form
    108,358,789.60/149,492,560.08 = 61,924,132/x
  3. Step 3: Cross multiply
    108,358,789.60x = 149,492,560.08 × 61,924,132
  4. Step 4: Simplify right side
    108,358,789.60x = 9,257,197,023,411,852
  5. Step 5: Solve for x
    x = 9,257,197,023,411,852/108,358,789.60
  6. Step 6: Final answer
    x = 85,430,974.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.