Home / 293,797,694.40-440,192,656.80-140,112,830.40

Finding the Fourth Proportional to 293,797,694.40, 440,192,656.80 and 140,112,830.40

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Solution

The fourth proportional to 293,797,694.40, 440,192,656.80 and 140,112,830.40 is: 209,928,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,797,694.40 : 440,192,656.80 = 140,112,830.40 : x
  2. Step 2: Convert to fraction form
    293,797,694.40/440,192,656.80 = 140,112,830.40/x
  3. Step 3: Cross multiply
    293,797,694.40x = 440,192,656.80 × 140,112,830.40
  4. Step 4: Simplify right side
    293,797,694.40x = 61,676,639,065,543,808
  5. Step 5: Solve for x
    x = 61,676,639,065,543,808/293,797,694.40
  6. Step 6: Final answer
    x = 209,928,941.72

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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.