Home / 92,779,789.11-128,028,642.21-53,624,101.96

Finding the Fourth Proportional to 92,779,789.11, 128,028,642.21 and 53,624,101.96

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Solution

The fourth proportional to 92,779,789.11, 128,028,642.21 and 53,624,101.96 is: 73,996,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,779,789.11 : 128,028,642.21 = 53,624,101.96 : x
  2. Step 2: Convert to fraction form
    92,779,789.11/128,028,642.21 = 53,624,101.96/x
  3. Step 3: Cross multiply
    92,779,789.11x = 128,028,642.21 × 53,624,101.96
  4. Step 4: Simplify right side
    92,779,789.11x = 6,865,420,963,669,399
  5. Step 5: Solve for x
    x = 6,865,420,963,669,399/92,779,789.11
  6. Step 6: Final answer
    x = 73,996,945.13

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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.