Home / 130,697,029.80-195,746,946.30-76,949,317.80

Finding the Fourth Proportional to 130,697,029.80, 195,746,946.30 and 76,949,317.80

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Solution

The fourth proportional to 130,697,029.80, 195,746,946.30 and 76,949,317.80 is: 115,248,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697,029.80 : 195,746,946.30 = 76,949,317.80 : x
  2. Step 2: Convert to fraction form
    130,697,029.80/195,746,946.30 = 76,949,317.80/x
  3. Step 3: Cross multiply
    130,697,029.80x = 195,746,946.30 × 76,949,317.80
  4. Step 4: Simplify right side
    130,697,029.80x = 15,062,593,979,218,234
  5. Step 5: Solve for x
    x = 15,062,593,979,218,234/130,697,029.80
  6. Step 6: Final answer
    x = 115,248,173.60

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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.