Home / 126,607,797.12-189,885,120.48-35,710,128.96

Finding the Fourth Proportional to 126,607,797.12, 189,885,120.48 and 35,710,128.96

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Solution

The fourth proportional to 126,607,797.12, 189,885,120.48 and 35,710,128.96 is: 53,557,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,607,797.12 : 189,885,120.48 = 35,710,128.96 : x
  2. Step 2: Convert to fraction form
    126,607,797.12/189,885,120.48 = 35,710,128.96/x
  3. Step 3: Cross multiply
    126,607,797.12x = 189,885,120.48 × 35,710,128.96
  4. Step 4: Simplify right side
    126,607,797.12x = 6,780,822,139,925,937
  5. Step 5: Solve for x
    x = 6,780,822,139,925,937/126,607,797.12
  6. Step 6: Final answer
    x = 53,557,697.82

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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.