Home / 31,280,334.30-46,920,501.45-30,004,875.90

Finding the Fourth Proportional to 31,280,334.30, 46,920,501.45 and 30,004,875.90

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Solution

The fourth proportional to 31,280,334.30, 46,920,501.45 and 30,004,875.90 is: 45,007,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280,334.30 : 46,920,501.45 = 30,004,875.90 : x
  2. Step 2: Convert to fraction form
    31,280,334.30/46,920,501.45 = 30,004,875.90/x
  3. Step 3: Cross multiply
    31,280,334.30x = 46,920,501.45 × 30,004,875.90
  4. Step 4: Simplify right side
    31,280,334.30x = 1,407,843,823,173,020
  5. Step 5: Solve for x
    x = 1,407,843,823,173,020/31,280,334.30
  6. Step 6: Final answer
    x = 45,007,313.85

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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.