Home / 126,194,700.60-189,292,050.90-120,242,561.40

Finding the Fourth Proportional to 126,194,700.60, 189,292,050.90 and 120,242,561.40

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Solution

The fourth proportional to 126,194,700.60, 189,292,050.90 and 120,242,561.40 is: 180,363,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,194,700.60 : 189,292,050.90 = 120,242,561.40 : x
  2. Step 2: Convert to fraction form
    126,194,700.60/189,292,050.90 = 120,242,561.40/x
  3. Step 3: Cross multiply
    126,194,700.60x = 189,292,050.90 × 120,242,561.40
  4. Step 4: Simplify right side
    126,194,700.60x = 22,760,961,052,875,176
  5. Step 5: Solve for x
    x = 22,760,961,052,875,176/126,194,700.60
  6. Step 6: Final answer
    x = 180,363,842.10

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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.