Home / 83,382,210.89-115,000,356.67-73,302,157.20

Finding the Fourth Proportional to 83,382,210.89, 115,000,356.67 and 73,302,157.20

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Solution

The fourth proportional to 83,382,210.89, 115,000,356.67 and 73,302,157.20 is: 101,097,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382,210.89 : 115,000,356.67 = 73,302,157.20 : x
  2. Step 2: Convert to fraction form
    83,382,210.89/115,000,356.67 = 73,302,157.20/x
  3. Step 3: Cross multiply
    83,382,210.89x = 115,000,356.67 × 73,302,157.20
  4. Step 4: Simplify right side
    83,382,210.89x = 8,429,774,222,680,409
  5. Step 5: Solve for x
    x = 8,429,774,222,680,409/83,382,210.89
  6. Step 6: Final answer
    x = 101,097,993.60

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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.