Home / 157,219,936.88-216,960,606.81-85,693,434.84

Finding the Fourth Proportional to 157,219,936.88, 216,960,606.81 and 85,693,434.84

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Solution

The fourth proportional to 157,219,936.88, 216,960,606.81 and 85,693,434.84 is: 118,255,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219,936.88 : 216,960,606.81 = 85,693,434.84 : x
  2. Step 2: Convert to fraction form
    157,219,936.88/216,960,606.81 = 85,693,434.84/x
  3. Step 3: Cross multiply
    157,219,936.88x = 216,960,606.81 × 85,693,434.84
  4. Step 4: Simplify right side
    157,219,936.88x = 18,592,099,622,519,596
  5. Step 5: Solve for x
    x = 18,592,099,622,519,596/157,219,936.88
  6. Step 6: Final answer
    x = 118,255,356.11

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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.