Home / 61,205,748.30-91,808,622.45-47,335,138.20

Finding the Fourth Proportional to 61,205,748.30, 91,808,622.45 and 47,335,138.20

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Solution

The fourth proportional to 61,205,748.30, 91,808,622.45 and 47,335,138.20 is: 71,002,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205,748.30 : 91,808,622.45 = 47,335,138.20 : x
  2. Step 2: Convert to fraction form
    61,205,748.30/91,808,622.45 = 47,335,138.20/x
  3. Step 3: Cross multiply
    61,205,748.30x = 91,808,622.45 × 47,335,138.20
  4. Step 4: Simplify right side
    61,205,748.30x = 4,345,773,831,622,373
  5. Step 5: Solve for x
    x = 4,345,773,831,622,373/61,205,748.30
  6. Step 6: Final answer
    x = 71,002,707.30

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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.