Home / 108,088,312.44-149,172,520.14-61,685,550.84

Finding the Fourth Proportional to 108,088,312.44, 149,172,520.14 and 61,685,550.84

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Solution

The fourth proportional to 108,088,312.44, 149,172,520.14 and 61,685,550.84 is: 85,132,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,088,312.44 : 149,172,520.14 = 61,685,550.84 : x
  2. Step 2: Convert to fraction form
    108,088,312.44/149,172,520.14 = 61,685,550.84/x
  3. Step 3: Cross multiply
    108,088,312.44x = 149,172,520.14 × 61,685,550.84
  4. Step 4: Simplify right side
    108,088,312.44x = 9,201,789,075,026,894
  5. Step 5: Solve for x
    x = 9,201,789,075,026,894/108,088,312.44
  6. Step 6: Final answer
    x = 85,132,137.48

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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.