Home / 151,781,068.26-209,457,829.80-82,166,397.48

Finding the Fourth Proportional to 151,781,068.26, 209,457,829.80 and 82,166,397.48

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Solution

The fourth proportional to 151,781,068.26, 209,457,829.80 and 82,166,397.48 is: 113,389,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,068.26 : 209,457,829.80 = 82,166,397.48 : x
  2. Step 2: Convert to fraction form
    151,781,068.26/209,457,829.80 = 82,166,397.48/x
  3. Step 3: Cross multiply
    151,781,068.26x = 209,457,829.80 × 82,166,397.48
  4. Step 4: Simplify right side
    151,781,068.26x = 17,210,395,298,644,990
  5. Step 5: Solve for x
    x = 17,210,395,298,644,990/151,781,068.26
  6. Step 6: Final answer
    x = 113,389,604.49

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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.