Home / 141,933,893.76-212,912,913.60-39,698,000.64

Finding the Fourth Proportional to 141,933,893.76, 212,912,913.60 and 39,698,000.64

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Solution

The fourth proportional to 141,933,893.76, 212,912,913.60 and 39,698,000.64 is: 59,550,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,933,893.76 : 212,912,913.60 = 39,698,000.64 : x
  2. Step 2: Convert to fraction form
    141,933,893.76/212,912,913.60 = 39,698,000.64/x
  3. Step 3: Cross multiply
    141,933,893.76x = 212,912,913.60 × 39,698,000.64
  4. Step 4: Simplify right side
    141,933,893.76x = 8,452,216,980,357,065
  5. Step 5: Solve for x
    x = 8,452,216,980,357,065/141,933,893.76
  6. Step 6: Final answer
    x = 59,550,377.69

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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.