Home / 245,774,218.46-339,173,421.30-134,272,281.24

Finding the Fourth Proportional to 245,774,218.46, 339,173,421.30 and 134,272,281.24

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Solution

The fourth proportional to 245,774,218.46, 339,173,421.30 and 134,272,281.24 is: 185,298,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,774,218.46 : 339,173,421.30 = 134,272,281.24 : x
  2. Step 2: Convert to fraction form
    245,774,218.46/339,173,421.30 = 134,272,281.24/x
  3. Step 3: Cross multiply
    245,774,218.46x = 339,173,421.30 × 134,272,281.24
  4. Step 4: Simplify right side
    245,774,218.46x = 45,541,589,013,926,608
  5. Step 5: Solve for x
    x = 45,541,589,013,926,608/245,774,218.46
  6. Step 6: Final answer
    x = 185,298,479.64

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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.