Home / 100,150,530.30-150,225,795.45-31,063,200.30

Finding the Fourth Proportional to 100,150,530.30, 150,225,795.45 and 31,063,200.30

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Solution

The fourth proportional to 100,150,530.30, 150,225,795.45 and 31,063,200.30 is: 46,594,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,150,530.30 : 150,225,795.45 = 31,063,200.30 : x
  2. Step 2: Convert to fraction form
    100,150,530.30/150,225,795.45 = 31,063,200.30/x
  3. Step 3: Cross multiply
    100,150,530.30x = 150,225,795.45 × 31,063,200.30
  4. Step 4: Simplify right side
    100,150,530.30x = 4,666,493,974,290,178
  5. Step 5: Solve for x
    x = 4,666,493,974,290,178/100,150,530.30
  6. Step 6: Final answer
    x = 46,594,800.45

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Double scale
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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.