Home / 245,332,680.93-368,002,226.77-81,570,437.48

Finding the Fourth Proportional to 245,332,680.93, 368,002,226.77 and 81,570,437.48

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Solution

The fourth proportional to 245,332,680.93, 368,002,226.77 and 81,570,437.48 is: 122,356,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,680.93 : 368,002,226.77 = 81,570,437.48 : x
  2. Step 2: Convert to fraction form
    245,332,680.93/368,002,226.77 = 81,570,437.48/x
  3. Step 3: Cross multiply
    245,332,680.93x = 368,002,226.77 × 81,570,437.48
  4. Step 4: Simplify right side
    245,332,680.93x = 30,018,102,630,835,216
  5. Step 5: Solve for x
    x = 30,018,102,630,835,216/245,332,680.93
  6. Step 6: Final answer
    x = 122,356,721.97

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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.