Home / 113,137,899,588.45-156,134,070,587.56-61,699,266,000.14

Finding the Fourth Proportional to 113,137,899,588.45, 156,134,070,587.56 and 61,699,266,000.14

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Solution

The fourth proportional to 113,137,899,588.45, 156,134,070,587.56 and 61,699,266,000.14 is: 85,147,042,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,137,899,588.45 : 156,134,070,587.56 = 61,699,266,000.14 : x
  2. Step 2: Convert to fraction form
    113,137,899,588.45/156,134,070,587.56 = 61,699,266,000.14/x
  3. Step 3: Cross multiply
    113,137,899,588.45x = 156,134,070,587.56 × 61,699,266,000.14
  4. Step 4: Simplify right side
    113,137,899,588.45x = 9,633,357,552,866,186,756,096
  5. Step 5: Solve for x
    x = 9,633,357,552,866,186,756,096/113,137,899,588.45
  6. Step 6: Final answer
    x = 85,147,042,572.90

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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.