Home / 278,983,835.55-418,249,005.17-97,358,559.39

Finding the Fourth Proportional to 278,983,835.55, 418,249,005.17 and 97,358,559.39

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Solution

The fourth proportional to 278,983,835.55, 418,249,005.17 and 97,358,559.39 is: 145,958,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,983,835.55 : 418,249,005.17 = 97,358,559.39 : x
  2. Step 2: Convert to fraction form
    278,983,835.55/418,249,005.17 = 97,358,559.39/x
  3. Step 3: Cross multiply
    278,983,835.55x = 418,249,005.17 × 97,358,559.39
  4. Step 4: Simplify right side
    278,983,835.55x = 40,720,120,609,165,072
  5. Step 5: Solve for x
    x = 40,720,120,609,165,072/278,983,835.55
  6. Step 6: Final answer
    x = 145,958,709.50

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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.