Home / 293,039,808.70-439,559,713.05-120,640,348.30

Finding the Fourth Proportional to 293,039,808.70, 439,559,713.05 and 120,640,348.30

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Solution

The fourth proportional to 293,039,808.70, 439,559,713.05 and 120,640,348.30 is: 180,960,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,039,808.70 : 439,559,713.05 = 120,640,348.30 : x
  2. Step 2: Convert to fraction form
    293,039,808.70/439,559,713.05 = 120,640,348.30/x
  3. Step 3: Cross multiply
    293,039,808.70x = 439,559,713.05 × 120,640,348.30
  4. Step 4: Simplify right side
    293,039,808.70x = 53,028,636,881,000,056
  5. Step 5: Solve for x
    x = 53,028,636,881,000,056/293,039,808.70
  6. Step 6: Final answer
    x = 180,960,522.45

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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.