Home / 257,768,065.55-355,727,484.18-140,301,004.11

Finding the Fourth Proportional to 257,768,065.55, 355,727,484.18 and 140,301,004.11

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Solution

The fourth proportional to 257,768,065.55, 355,727,484.18 and 140,301,004.11 is: 193,619,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,768,065.55 : 355,727,484.18 = 140,301,004.11 : x
  2. Step 2: Convert to fraction form
    257,768,065.55/355,727,484.18 = 140,301,004.11/x
  3. Step 3: Cross multiply
    257,768,065.55x = 355,727,484.18 × 140,301,004.11
  4. Step 4: Simplify right side
    257,768,065.55x = 49,908,923,219,978,144
  5. Step 5: Solve for x
    x = 49,908,923,219,978,144/257,768,065.55
  6. Step 6: Final answer
    x = 193,619,497.10

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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.