Home / 100,602,611.55-138,846,306.33-56,553,238.53

Finding the Fourth Proportional to 100,602,611.55, 138,846,306.33 and 56,553,238.53

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Solution

The fourth proportional to 100,602,611.55, 138,846,306.33 and 56,553,238.53 is: 78,051,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,611.55 : 138,846,306.33 = 56,553,238.53 : x
  2. Step 2: Convert to fraction form
    100,602,611.55/138,846,306.33 = 56,553,238.53/x
  3. Step 3: Cross multiply
    100,602,611.55x = 138,846,306.33 × 56,553,238.53
  4. Step 4: Simplify right side
    100,602,611.55x = 7,852,208,280,889,940
  5. Step 5: Solve for x
    x = 7,852,208,280,889,940/100,602,611.55
  6. Step 6: Final answer
    x = 78,051,734.04

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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.