Home / 130,339,983.60-195,509,975.40-84,990,351.60

Finding the Fourth Proportional to 130,339,983.60, 195,509,975.40 and 84,990,351.60

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Solution

The fourth proportional to 130,339,983.60, 195,509,975.40 and 84,990,351.60 is: 127,485,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,339,983.60 : 195,509,975.40 = 84,990,351.60 : x
  2. Step 2: Convert to fraction form
    130,339,983.60/195,509,975.40 = 84,990,351.60/x
  3. Step 3: Cross multiply
    130,339,983.60x = 195,509,975.40 × 84,990,351.60
  4. Step 4: Simplify right side
    130,339,983.60x = 16,616,461,550,553,350
  5. Step 5: Solve for x
    x = 16,616,461,550,553,350/130,339,983.60
  6. Step 6: Final answer
    x = 127,485,527.40

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1.5x scale

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.