Home / 247,007,021.46-340,870,207-135,498,762.74

Finding the Fourth Proportional to 247,007,021.46, 340,870,207 and 135,498,762.74

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Solution

The fourth proportional to 247,007,021.46, 340,870,207 and 135,498,762.74 is: 186,988,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,007,021.46 : 340,870,207 = 135,498,762.74 : x
  2. Step 2: Convert to fraction form
    247,007,021.46/340,870,207 = 135,498,762.74/x
  3. Step 3: Cross multiply
    247,007,021.46x = 340,870,207 × 135,498,762.74
  4. Step 4: Simplify right side
    247,007,021.46x = 46,187,491,303,427,688
  5. Step 5: Solve for x
    x = 46,187,491,303,427,688/247,007,021.46
  6. Step 6: Final answer
    x = 186,988,576.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.