Home / 51,215,999.10-76,823,998.65-42,368,639.10

Finding the Fourth Proportional to 51,215,999.10, 76,823,998.65 and 42,368,639.10

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Solution

The fourth proportional to 51,215,999.10, 76,823,998.65 and 42,368,639.10 is: 63,552,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215,999.10 : 76,823,998.65 = 42,368,639.10 : x
  2. Step 2: Convert to fraction form
    51,215,999.10/76,823,998.65 = 42,368,639.10/x
  3. Step 3: Cross multiply
    51,215,999.10x = 76,823,998.65 × 42,368,639.10
  4. Step 4: Simplify right side
    51,215,999.10x = 3,254,928,273,020,737.50
  5. Step 5: Solve for x
    x = 3,254,928,273,020,737.50/51,215,999.10
  6. Step 6: Final answer
    x = 63,552,958.65

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1.5x scale

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.