Home / 168,966,022.70-253,386,048.45-66,708,901.10

Finding the Fourth Proportional to 168,966,022.70, 253,386,048.45 and 66,708,901.10

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Solution

The fourth proportional to 168,966,022.70, 253,386,048.45 and 66,708,901.10 is: 100,038,484.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,966,022.70 : 253,386,048.45 = 66,708,901.10 : x
  2. Step 2: Convert to fraction form
    168,966,022.70/253,386,048.45 = 66,708,901.10/x
  3. Step 3: Cross multiply
    168,966,022.70x = 253,386,048.45 × 66,708,901.10
  4. Step 4: Simplify right side
    168,966,022.70x = 16,903,104,846,170,858
  5. Step 5: Solve for x
    x = 16,903,104,846,170,858/168,966,022.70
  6. Step 6: Final answer
    x = 100,038,484.52

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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.