Home / 52,855,340.91-72,949,142.89-30,828,840.33

Finding the Fourth Proportional to 52,855,340.91, 72,949,142.89 and 30,828,840.33

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Solution

The fourth proportional to 52,855,340.91, 72,949,142.89 and 30,828,840.33 is: 42,548,916.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855,340.91 : 72,949,142.89 = 30,828,840.33 : x
  2. Step 2: Convert to fraction form
    52,855,340.91/72,949,142.89 = 30,828,840.33/x
  3. Step 3: Cross multiply
    52,855,340.91x = 72,949,142.89 × 30,828,840.33
  4. Step 4: Simplify right side
    52,855,340.91x = 2,248,937,478,764,981.25
  5. Step 5: Solve for x
    x = 2,248,937,478,764,981.25/52,855,340.91
  6. Step 6: Final answer
    x = 42,548,916.34

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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.