Home / 105,988,014.60-158,982,021.90-83,029,763.40

Finding the Fourth Proportional to 105,988,014.60, 158,982,021.90 and 83,029,763.40

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Solution

The fourth proportional to 105,988,014.60, 158,982,021.90 and 83,029,763.40 is: 124,544,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988,014.60 : 158,982,021.90 = 83,029,763.40 : x
  2. Step 2: Convert to fraction form
    105,988,014.60/158,982,021.90 = 83,029,763.40/x
  3. Step 3: Cross multiply
    105,988,014.60x = 158,982,021.90 × 83,029,763.40
  4. Step 4: Simplify right side
    105,988,014.60x = 13,200,239,663,210,620
  5. Step 5: Solve for x
    x = 13,200,239,663,210,620/105,988,014.60
  6. Step 6: Final answer
    x = 124,544,645.10

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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.