Home / 100,061,776.17-138,077,711.78-60,899,224.58

Finding the Fourth Proportional to 100,061,776.17, 138,077,711.78 and 60,899,224.58

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Solution

The fourth proportional to 100,061,776.17, 138,077,711.78 and 60,899,224.58 is: 84,036,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,061,776.17 : 138,077,711.78 = 60,899,224.58 : x
  2. Step 2: Convert to fraction form
    100,061,776.17/138,077,711.78 = 60,899,224.58/x
  3. Step 3: Cross multiply
    100,061,776.17x = 138,077,711.78 × 60,899,224.58
  4. Step 4: Simplify right side
    100,061,776.17x = 8,408,825,578,187,848
  5. Step 5: Solve for x
    x = 8,408,825,578,187,848/100,061,776.17
  6. Step 6: Final answer
    x = 84,036,341.35

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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.