Home / 207,189,235.55-285,911,104.64-117,872,769.98

Finding the Fourth Proportional to 207,189,235.55, 285,911,104.64 and 117,872,769.98

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Solution

The fourth proportional to 207,189,235.55, 285,911,104.64 and 117,872,769.98 is: 162,658,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,189,235.55 : 285,911,104.64 = 117,872,769.98 : x
  2. Step 2: Convert to fraction form
    207,189,235.55/285,911,104.64 = 117,872,769.98/x
  3. Step 3: Cross multiply
    207,189,235.55x = 285,911,104.64 × 117,872,769.98
  4. Step 4: Simplify right side
    207,189,235.55x = 33,701,133,869,939,508
  5. Step 5: Solve for x
    x = 33,701,133,869,939,508/207,189,235.55
  6. Step 6: Final answer
    x = 162,658,710.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.