Home / 113,051,289.95-156,044,611.88-66,021,049.59

Finding the Fourth Proportional to 113,051,289.95, 156,044,611.88 and 66,021,049.59

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Solution

The fourth proportional to 113,051,289.95, 156,044,611.88 and 66,021,049.59 is: 91,128,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,051,289.95 : 156,044,611.88 = 66,021,049.59 : x
  2. Step 2: Convert to fraction form
    113,051,289.95/156,044,611.88 = 66,021,049.59/x
  3. Step 3: Cross multiply
    113,051,289.95x = 156,044,611.88 × 66,021,049.59
  4. Step 4: Simplify right side
    113,051,289.95x = 10,302,229,059,181,784
  5. Step 5: Solve for x
    x = 10,302,229,059,181,784/113,051,289.95
  6. Step 6: Final answer
    x = 91,128,805.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.