Home / 185,461,161.40-278,191,742.10-162,786,345.40

Finding the Fourth Proportional to 185,461,161.40, 278,191,742.10 and 162,786,345.40

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Solution

The fourth proportional to 185,461,161.40, 278,191,742.10 and 162,786,345.40 is: 244,179,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,461,161.40 : 278,191,742.10 = 162,786,345.40 : x
  2. Step 2: Convert to fraction form
    185,461,161.40/278,191,742.10 = 162,786,345.40/x
  3. Step 3: Cross multiply
    185,461,161.40x = 278,191,742.10 × 162,786,345.40
  4. Step 4: Simplify right side
    185,461,161.40x = 45,285,817,016,918,328
  5. Step 5: Solve for x
    x = 45,285,817,016,918,328/185,461,161.40
  6. Step 6: Final answer
    x = 244,179,518.10

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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.