Home / 215,955,842.22-323,967,355.74-70,355,508.12

Finding the Fourth Proportional to 215,955,842.22, 323,967,355.74 and 70,355,508.12

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Solution

The fourth proportional to 215,955,842.22, 323,967,355.74 and 70,355,508.12 is: 105,544,206.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,955,842.22 : 323,967,355.74 = 70,355,508.12 : x
  2. Step 2: Convert to fraction form
    215,955,842.22/323,967,355.74 = 70,355,508.12/x
  3. Step 3: Cross multiply
    215,955,842.22x = 323,967,355.74 × 70,355,508.12
  4. Step 4: Simplify right side
    215,955,842.22x = 22,792,887,927,380,500
  5. Step 5: Solve for x
    x = 22,792,887,927,380,500/215,955,842.22
  6. Step 6: Final answer
    x = 105,544,206.14

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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.