Home / 86,827,319.80-130,052,022.90-52,689,124.60

Finding the Fourth Proportional to 86,827,319.80, 130,052,022.90 and 52,689,124.60

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Solution

The fourth proportional to 86,827,319.80, 130,052,022.90 and 52,689,124.60 is: 78,919,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827,319.80 : 130,052,022.90 = 52,689,124.60 : x
  2. Step 2: Convert to fraction form
    86,827,319.80/130,052,022.90 = 52,689,124.60/x
  3. Step 3: Cross multiply
    86,827,319.80x = 130,052,022.90 × 52,689,124.60
  4. Step 4: Simplify right side
    86,827,319.80x = 6,852,327,239,060,154
  5. Step 5: Solve for x
    x = 6,852,327,239,060,154/86,827,319.80
  6. Step 6: Final answer
    x = 78,919,022.89

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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.