Home / 245,332,686.42-368,002,235.04-81,570,442.98

Finding the Fourth Proportional to 245,332,686.42, 368,002,235.04 and 81,570,442.98

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Solution

The fourth proportional to 245,332,686.42, 368,002,235.04 and 81,570,442.98 is: 122,356,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332,686.42 : 368,002,235.04 = 81,570,442.98 : x
  2. Step 2: Convert to fraction form
    245,332,686.42/368,002,235.04 = 81,570,442.98/x
  3. Step 3: Cross multiply
    245,332,686.42x = 368,002,235.04 × 81,570,442.98
  4. Step 4: Simplify right side
    245,332,686.42x = 30,018,105,329,842,880
  5. Step 5: Solve for x
    x = 30,018,105,329,842,880/245,332,686.42
  6. Step 6: Final answer
    x = 122,356,730.23

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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.