Home / 141,339,974.80-212,009,962.20-118,833,120.40

Finding the Fourth Proportional to 141,339,974.80, 212,009,962.20 and 118,833,120.40

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Solution

The fourth proportional to 141,339,974.80, 212,009,962.20 and 118,833,120.40 is: 178,249,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339,974.80 : 212,009,962.20 = 118,833,120.40 : x
  2. Step 2: Convert to fraction form
    141,339,974.80/212,009,962.20 = 118,833,120.40/x
  3. Step 3: Cross multiply
    141,339,974.80x = 212,009,962.20 × 118,833,120.40
  4. Step 4: Simplify right side
    141,339,974.80x = 25,193,805,364,112,048
  5. Step 5: Solve for x
    x = 25,193,805,364,112,048/141,339,974.80
  6. Step 6: Final answer
    x = 178,249,680.60

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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.