Home / 126,613,977.04-189,950,815.68-100,803,851.92

Finding the Fourth Proportional to 126,613,977.04, 189,950,815.68 and 100,803,851.92

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Solution

The fourth proportional to 126,613,977.04, 189,950,815.68 and 100,803,851.92 is: 151,229,543.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,613,977.04 : 189,950,815.68 = 100,803,851.92 : x
  2. Step 2: Convert to fraction form
    126,613,977.04/189,950,815.68 = 100,803,851.92/x
  3. Step 3: Cross multiply
    126,613,977.04x = 189,950,815.68 × 100,803,851.92
  4. Step 4: Simplify right side
    126,613,977.04x = 19,147,773,895,889,936
  5. Step 5: Solve for x
    x = 19,147,773,895,889,936/126,613,977.04
  6. Step 6: Final answer
    x = 151,229,543.08

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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.