Home / 112,035,272.10-168,052,908.15-101,991,037.20

Finding the Fourth Proportional to 112,035,272.10, 168,052,908.15 and 101,991,037.20

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Solution

The fourth proportional to 112,035,272.10, 168,052,908.15 and 101,991,037.20 is: 152,986,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,035,272.10 : 168,052,908.15 = 101,991,037.20 : x
  2. Step 2: Convert to fraction form
    112,035,272.10/168,052,908.15 = 101,991,037.20/x
  3. Step 3: Cross multiply
    112,035,272.10x = 168,052,908.15 × 101,991,037.20
  4. Step 4: Simplify right side
    112,035,272.10x = 17,139,890,406,694,834
  5. Step 5: Solve for x
    x = 17,139,890,406,694,834/112,035,272.10
  6. Step 6: Final answer
    x = 152,986,555.80

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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.