Home / 185,885,603.40-278,828,405.10-165,797,133.60

Finding the Fourth Proportional to 185,885,603.40, 278,828,405.10 and 165,797,133.60

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Solution

The fourth proportional to 185,885,603.40, 278,828,405.10 and 165,797,133.60 is: 248,695,700.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,885,603.40 : 278,828,405.10 = 165,797,133.60 : x
  2. Step 2: Convert to fraction form
    185,885,603.40/278,828,405.10 = 165,797,133.60/x
  3. Step 3: Cross multiply
    185,885,603.40x = 278,828,405.10 × 165,797,133.60
  4. Step 4: Simplify right side
    185,885,603.40x = 46,228,950,331,839,624
  5. Step 5: Solve for x
    x = 46,228,950,331,839,624/185,885,603.40
  6. Step 6: Final answer
    x = 248,695,700.40

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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.