Home / 103,235,883.88-142,469,279.28-56,190,683.76

Finding the Fourth Proportional to 103,235,883.88, 142,469,279.28 and 56,190,683.76

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Solution

The fourth proportional to 103,235,883.88, 142,469,279.28 and 56,190,683.76 is: 77,545,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,235,883.88 : 142,469,279.28 = 56,190,683.76 : x
  2. Step 2: Convert to fraction form
    103,235,883.88/142,469,279.28 = 56,190,683.76/x
  3. Step 3: Cross multiply
    103,235,883.88x = 142,469,279.28 × 56,190,683.76
  4. Step 4: Simplify right side
    103,235,883.88x = 8,005,446,217,537,600
  5. Step 5: Solve for x
    x = 8,005,446,217,537,600/103,235,883.88
  6. Step 6: Final answer
    x = 77,545,189.88

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1.5x scale

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.