Home / 215,578,764.40-323,415,385.80-106,456,212.40

Finding the Fourth Proportional to 215,578,764.40, 323,415,385.80 and 106,456,212.40

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Solution

The fourth proportional to 215,578,764.40, 323,415,385.80 and 106,456,212.40 is: 159,707,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,578,764.40 : 323,415,385.80 = 106,456,212.40 : x
  2. Step 2: Convert to fraction form
    215,578,764.40/323,415,385.80 = 106,456,212.40/x
  3. Step 3: Cross multiply
    215,578,764.40x = 323,415,385.80 × 106,456,212.40
  4. Step 4: Simplify right side
    215,578,764.40x = 34,429,577,004,152,748
  5. Step 5: Solve for x
    x = 34,429,577,004,152,748/215,578,764.40
  6. Step 6: Final answer
    x = 159,707,646.07

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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.