Home / 293,592,122.40-440,724,106.80-172,491,808.80

Finding the Fourth Proportional to 293,592,122.40, 440,724,106.80 and 172,491,808.80

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Solution

The fourth proportional to 293,592,122.40, 440,724,106.80 and 172,491,808.80 is: 258,935,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,592,122.40 : 440,724,106.80 = 172,491,808.80 : x
  2. Step 2: Convert to fraction form
    293,592,122.40/440,724,106.80 = 172,491,808.80/x
  3. Step 3: Cross multiply
    293,592,122.40x = 440,724,106.80 × 172,491,808.80
  4. Step 4: Simplify right side
    293,592,122.40x = 76,021,298,363,696,384
  5. Step 5: Solve for x
    x = 76,021,298,363,696,384/293,592,122.40
  6. Step 6: Final answer
    x = 258,935,075.44

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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.