Home / 141,479,394.66-212,219,091.90-39,243,432.24

Finding the Fourth Proportional to 141,479,394.66, 212,219,091.90 and 39,243,432.24

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Solution

The fourth proportional to 141,479,394.66, 212,219,091.90 and 39,243,432.24 is: 58,865,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,479,394.66 : 212,219,091.90 = 39,243,432.24 : x
  2. Step 2: Convert to fraction form
    141,479,394.66/212,219,091.90 = 39,243,432.24/x
  3. Step 3: Cross multiply
    141,479,394.66x = 212,219,091.90 × 39,243,432.24
  4. Step 4: Simplify right side
    141,479,394.66x = 8,328,205,553,011,984
  5. Step 5: Solve for x
    x = 8,328,205,553,011,984/141,479,394.66
  6. Step 6: Final answer
    x = 58,865,148.34

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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.