Home / 72,119,458.33-99,513,844.94-40,746,059.88

Finding the Fourth Proportional to 72,119,458.33, 99,513,844.94 and 40,746,059.88

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Solution

The fourth proportional to 72,119,458.33, 99,513,844.94 and 40,746,059.88 is: 56,223,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,119,458.33 : 99,513,844.94 = 40,746,059.88 : x
  2. Step 2: Convert to fraction form
    72,119,458.33/99,513,844.94 = 40,746,059.88/x
  3. Step 3: Cross multiply
    72,119,458.33x = 99,513,844.94 × 40,746,059.88
  4. Step 4: Simplify right side
    72,119,458.33x = 4,054,797,084,313,766.50
  5. Step 5: Solve for x
    x = 4,054,797,084,313,766.50/72,119,458.33
  6. Step 6: Final answer
    x = 56,223,343.58

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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.