Home / 180,753,687.68-249,433,984.32-103,476,421.76

Finding the Fourth Proportional to 180,753,687.68, 249,433,984.32 and 103,476,421.76

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Solution

The fourth proportional to 180,753,687.68, 249,433,984.32 and 103,476,421.76 is: 142,793,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,753,687.68 : 249,433,984.32 = 103,476,421.76 : x
  2. Step 2: Convert to fraction form
    180,753,687.68/249,433,984.32 = 103,476,421.76/x
  3. Step 3: Cross multiply
    180,753,687.68x = 249,433,984.32 × 103,476,421.76
  4. Step 4: Simplify right side
    180,753,687.68x = 25,810,536,162,773,548
  5. Step 5: Solve for x
    x = 25,810,536,162,773,548/180,753,687.68
  6. Step 6: Final answer
    x = 142,793,967.27

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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.