Home / 86,295,722.80-129,275,622.60-52,115,537.20

Finding the Fourth Proportional to 86,295,722.80, 129,275,622.60 and 52,115,537.20

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Solution

The fourth proportional to 86,295,722.80, 129,275,622.60 and 52,115,537.20 is: 78,071,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,295,722.80 : 129,275,622.60 = 52,115,537.20 : x
  2. Step 2: Convert to fraction form
    86,295,722.80/129,275,622.60 = 52,115,537.20/x
  3. Step 3: Cross multiply
    86,295,722.80x = 129,275,622.60 × 52,115,537.20
  4. Step 4: Simplify right side
    86,295,722.80x = 6,737,268,518,663,461
  5. Step 5: Solve for x
    x = 6,737,268,518,663,461/86,295,722.80
  6. Step 6: Final answer
    x = 78,071,870.77

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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.