Home / 82,945,130.60-124,417,695.90-73,091,383.40

Finding the Fourth Proportional to 82,945,130.60, 124,417,695.90 and 73,091,383.40

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Solution

The fourth proportional to 82,945,130.60, 124,417,695.90 and 73,091,383.40 is: 109,637,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945,130.60 : 124,417,695.90 = 73,091,383.40 : x
  2. Step 2: Convert to fraction form
    82,945,130.60/124,417,695.90 = 73,091,383.40/x
  3. Step 3: Cross multiply
    82,945,130.60x = 124,417,695.90 × 73,091,383.40
  4. Step 4: Simplify right side
    82,945,130.60x = 9,093,861,512,771,510
  5. Step 5: Solve for x
    x = 9,093,861,512,771,510/82,945,130.60
  6. Step 6: Final answer
    x = 109,637,075.10

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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.