Home / 119,356,872,348.21-164,786,832,332.28-75,977,642,332.23

Finding the Fourth Proportional to 119,356,872,348.21, 164,786,832,332.28 and 75,977,642,332.23

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Solution

The fourth proportional to 119,356,872,348.21, 164,786,832,332.28 and 75,977,642,332.23 is: 104,896,473,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356,872,348.21 : 164,786,832,332.28 = 75,977,642,332.23 : x
  2. Step 2: Convert to fraction form
    119,356,872,348.21/164,786,832,332.28 = 75,977,642,332.23/x
  3. Step 3: Cross multiply
    119,356,872,348.21x = 164,786,832,332.28 × 75,977,642,332.23
  4. Step 4: Simplify right side
    119,356,872,348.21x = 12,520,115,008,003,123,445,760
  5. Step 5: Solve for x
    x = 12,520,115,008,003,123,445,760/119,356,872,348.21
  6. Step 6: Final answer
    x = 104,896,473,589.53

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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.