Home / 103,572,240.84-142,929,995.46-56,529,747.72

Finding the Fourth Proportional to 103,572,240.84, 142,929,995.46 and 56,529,747.72

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Solution

The fourth proportional to 103,572,240.84, 142,929,995.46 and 56,529,747.72 is: 78,011,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,572,240.84 : 142,929,995.46 = 56,529,747.72 : x
  2. Step 2: Convert to fraction form
    103,572,240.84/142,929,995.46 = 56,529,747.72/x
  3. Step 3: Cross multiply
    103,572,240.84x = 142,929,995.46 × 56,529,747.72
  4. Step 4: Simplify right side
    103,572,240.84x = 8,079,796,584,974,546
  5. Step 5: Solve for x
    x = 8,079,796,584,974,546/103,572,240.84
  6. Step 6: Final answer
    x = 78,011,217.29

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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.