Home / 126,461,826.40-189,173,108.40-100,952,658.40

Finding the Fourth Proportional to 126,461,826.40, 189,173,108.40 and 100,952,658.40

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Solution

The fourth proportional to 126,461,826.40, 189,173,108.40 and 100,952,658.40 is: 151,014,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461,826.40 : 189,173,108.40 = 100,952,658.40 : x
  2. Step 2: Convert to fraction form
    126,461,826.40/189,173,108.40 = 100,952,658.40/x
  3. Step 3: Cross multiply
    126,461,826.40x = 189,173,108.40 × 100,952,658.40
  4. Step 4: Simplify right side
    126,461,826.40x = 19,097,528,190,771,372
  5. Step 5: Solve for x
    x = 19,097,528,190,771,372/126,461,826.40
  6. Step 6: Final answer
    x = 151,014,173.48

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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.