Home / 86,188,202.40-129,282,303.60-52,175,978.40

Finding the Fourth Proportional to 86,188,202.40, 129,282,303.60 and 52,175,978.40

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Solution

The fourth proportional to 86,188,202.40, 129,282,303.60 and 52,175,978.40 is: 78,263,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,188,202.40 : 129,282,303.60 = 52,175,978.40 : x
  2. Step 2: Convert to fraction form
    86,188,202.40/129,282,303.60 = 52,175,978.40/x
  3. Step 3: Cross multiply
    86,188,202.40x = 129,282,303.60 × 52,175,978.40
  4. Step 4: Simplify right side
    86,188,202.40x = 6,745,430,680,135,842
  5. Step 5: Solve for x
    x = 6,745,430,680,135,842/86,188,202.40
  6. Step 6: Final answer
    x = 78,263,967.60

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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.