Home / 108,640,019.30-162,988,897.35-47,202,815.30

Finding the Fourth Proportional to 108,640,019.30, 162,988,897.35 and 47,202,815.30

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Solution

The fourth proportional to 108,640,019.30, 162,988,897.35 and 47,202,815.30 is: 70,816,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640,019.30 : 162,988,897.35 = 47,202,815.30 : x
  2. Step 2: Convert to fraction form
    108,640,019.30/162,988,897.35 = 47,202,815.30/x
  3. Step 3: Cross multiply
    108,640,019.30x = 162,988,897.35 × 47,202,815.30
  4. Step 4: Simplify right side
    108,640,019.30x = 7,693,534,817,562,709
  5. Step 5: Solve for x
    x = 7,693,534,817,562,709/108,640,019.30
  6. Step 6: Final answer
    x = 70,816,765.93

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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.