Home / 72,222,889.59-108,342,554.40-26,186,439.15

Finding the Fourth Proportional to 72,222,889.59, 108,342,554.40 and 26,186,439.15

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Solution

The fourth proportional to 72,222,889.59, 108,342,554.40 and 26,186,439.15 is: 39,282,639.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,222,889.59 : 108,342,554.40 = 26,186,439.15 : x
  2. Step 2: Convert to fraction form
    72,222,889.59/108,342,554.40 = 26,186,439.15/x
  3. Step 3: Cross multiply
    72,222,889.59x = 108,342,554.40 × 26,186,439.15
  4. Step 4: Simplify right side
    72,222,889.59x = 2,837,105,708,151,165
  5. Step 5: Solve for x
    x = 2,837,105,708,151,165/72,222,889.59
  6. Step 6: Final answer
    x = 39,282,639.12

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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.