Home / 100,699,610,298.21-138,964,755,277.10-54,973,885,704.83

Finding the Fourth Proportional to 100,699,610,298.21, 138,964,755,277.10 and 54,973,885,704.83

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Solution

The fourth proportional to 100,699,610,298.21, 138,964,755,277.10 and 54,973,885,704.83 is: 75,863,576,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,699,610,298.21 : 138,964,755,277.10 = 54,973,885,704.83 : x
  2. Step 2: Convert to fraction form
    100,699,610,298.21/138,964,755,277.10 = 54,973,885,704.83/x
  3. Step 3: Cross multiply
    100,699,610,298.21x = 138,964,755,277.10 × 54,973,885,704.83
  4. Step 4: Simplify right side
    100,699,610,298.21x = 7,639,432,573,602,689,449,984
  5. Step 5: Solve for x
    x = 7,639,432,573,602,689,449,984/100,699,610,298.21
  6. Step 6: Final answer
    x = 75,863,576,343.34

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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.