Home / 78,039,059.30-107,686,053.27-43,225,245.13

Finding the Fourth Proportional to 78,039,059.30, 107,686,053.27 and 43,225,245.13

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Solution

The fourth proportional to 78,039,059.30, 107,686,053.27 and 43,225,245.13 is: 59,646,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,039,059.30 : 107,686,053.27 = 43,225,245.13 : x
  2. Step 2: Convert to fraction form
    78,039,059.30/107,686,053.27 = 43,225,245.13/x
  3. Step 3: Cross multiply
    78,039,059.30x = 107,686,053.27 × 43,225,245.13
  4. Step 4: Simplify right side
    78,039,059.30x = 4,654,756,049,429,334
  5. Step 5: Solve for x
    x = 4,654,756,049,429,334/78,039,059.30
  6. Step 6: Final answer
    x = 59,646,491.01

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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.