Home / 86,749,880.39-130,120,030.87-63,430,520.00

Finding the Fourth Proportional to 86,749,880.39, 130,120,030.87 and 63,430,520.00

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Solution

The fourth proportional to 86,749,880.39, 130,120,030.87 and 63,430,520.00 is: 95,142,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,749,880.39 : 130,120,030.87 = 63,430,520.00 : x
  2. Step 2: Convert to fraction form
    86,749,880.39/130,120,030.87 = 63,430,520.00/x
  3. Step 3: Cross multiply
    86,749,880.39x = 130,120,030.87 × 63,430,520.00
  4. Step 4: Simplify right side
    86,749,880.39x = 8,253,581,220,542,150
  5. Step 5: Solve for x
    x = 8,253,581,220,542,150/86,749,880.39
  6. Step 6: Final answer
    x = 95,142,277.81

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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.