Home / 294,219,007.32-406,022,228.56-170,531,428.98

Finding the Fourth Proportional to 294,219,007.32, 406,022,228.56 and 170,531,428.98

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Solution

The fourth proportional to 294,219,007.32, 406,022,228.56 and 170,531,428.98 is: 235,333,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,219,007.32 : 406,022,228.56 = 170,531,428.98 : x
  2. Step 2: Convert to fraction form
    294,219,007.32/406,022,228.56 = 170,531,428.98/x
  3. Step 3: Cross multiply
    294,219,007.32x = 406,022,228.56 × 170,531,428.98
  4. Step 4: Simplify right side
    294,219,007.32x = 69,239,550,833,980,960
  5. Step 5: Solve for x
    x = 69,239,550,833,980,960/294,219,007.32
  6. Step 6: Final answer
    x = 235,333,371.10

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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.