Home / 130,335,115.20-195,334,711.20-99,892,075.20

Finding the Fourth Proportional to 130,335,115.20, 195,334,711.20 and 99,892,075.20

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Solution

The fourth proportional to 130,335,115.20, 195,334,711.20 and 99,892,075.20 is: 149,709,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,335,115.20 : 195,334,711.20 = 99,892,075.20 : x
  2. Step 2: Convert to fraction form
    130,335,115.20/195,334,711.20 = 99,892,075.20/x
  3. Step 3: Cross multiply
    130,335,115.20x = 195,334,711.20 × 99,892,075.20
  4. Step 4: Simplify right side
    130,335,115.20x = 19,512,389,660,360,680
  5. Step 5: Solve for x
    x = 19,512,389,660,360,680/130,335,115.20
  6. Step 6: Final answer
    x = 149,709,382.85

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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.