Home / 130,336,313.80-195,630,441.90-65,713,088.20

Finding the Fourth Proportional to 130,336,313.80, 195,630,441.90 and 65,713,088.20

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Solution

The fourth proportional to 130,336,313.80, 195,630,441.90 and 65,713,088.20 is: 98,633,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,313.80 : 195,630,441.90 = 65,713,088.20 : x
  2. Step 2: Convert to fraction form
    130,336,313.80/195,630,441.90 = 65,713,088.20/x
  3. Step 3: Cross multiply
    130,336,313.80x = 195,630,441.90 × 65,713,088.20
  4. Step 4: Simplify right side
    130,336,313.80x = 12,855,480,483,179,676
  5. Step 5: Solve for x
    x = 12,855,480,483,179,676/130,336,313.80
  6. Step 6: Final answer
    x = 98,633,144.58

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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.