Home / 141,339,972.30-212,009,958.45-118,833,117.90

Finding the Fourth Proportional to 141,339,972.30, 212,009,958.45 and 118,833,117.90

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Solution

The fourth proportional to 141,339,972.30, 212,009,958.45 and 118,833,117.90 is: 178,249,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339,972.30 : 212,009,958.45 = 118,833,117.90 : x
  2. Step 2: Convert to fraction form
    141,339,972.30/212,009,958.45 = 118,833,117.90/x
  3. Step 3: Cross multiply
    141,339,972.30x = 212,009,958.45 × 118,833,117.90
  4. Step 4: Simplify right side
    141,339,972.30x = 25,193,804,388,462,952
  5. Step 5: Solve for x
    x = 25,193,804,388,462,952/141,339,972.30
  6. Step 6: Final answer
    x = 178,249,676.85

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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.