Home / 87,731,438.49-121,077,509.22-48,573,215.94

Finding the Fourth Proportional to 87,731,438.49, 121,077,509.22 and 48,573,215.94

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Solution

The fourth proportional to 87,731,438.49, 121,077,509.22 and 48,573,215.94 is: 67,035,535.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,731,438.49 : 121,077,509.22 = 48,573,215.94 : x
  2. Step 2: Convert to fraction form
    87,731,438.49/121,077,509.22 = 48,573,215.94/x
  3. Step 3: Cross multiply
    87,731,438.49x = 121,077,509.22 × 48,573,215.94
  4. Step 4: Simplify right side
    87,731,438.49x = 5,881,124,000,820,401
  5. Step 5: Solve for x
    x = 5,881,124,000,820,401/87,731,438.49
  6. Step 6: Final answer
    x = 67,035,535.97

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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.