Home / 163,377,008.70-245,065,513.05-61,127,760.30

Finding the Fourth Proportional to 163,377,008.70, 245,065,513.05 and 61,127,760.30

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Solution

The fourth proportional to 163,377,008.70, 245,065,513.05 and 61,127,760.30 is: 91,691,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,377,008.70 : 245,065,513.05 = 61,127,760.30 : x
  2. Step 2: Convert to fraction form
    163,377,008.70/245,065,513.05 = 61,127,760.30/x
  3. Step 3: Cross multiply
    163,377,008.70x = 245,065,513.05 × 61,127,760.30
  4. Step 4: Simplify right side
    163,377,008.70x = 14,980,305,939,516,922
  5. Step 5: Solve for x
    x = 14,980,305,939,516,922/163,377,008.70
  6. Step 6: Final answer
    x = 91,691,640.45

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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.