Home / 66,756,658.12-100,054,274.52-34,390,904.78

Finding the Fourth Proportional to 66,756,658.12, 100,054,274.52 and 34,390,904.78

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Solution

The fourth proportional to 66,756,658.12, 100,054,274.52 and 34,390,904.78 is: 51,544,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756,658.12 : 100,054,274.52 = 34,390,904.78 : x
  2. Step 2: Convert to fraction form
    66,756,658.12/100,054,274.52 = 34,390,904.78/x
  3. Step 3: Cross multiply
    66,756,658.12x = 100,054,274.52 × 34,390,904.78
  4. Step 4: Simplify right side
    66,756,658.12x = 3,440,957,027,849,300
  5. Step 5: Solve for x
    x = 3,440,957,027,849,300/66,756,658.12
  6. Step 6: Final answer
    x = 51,544,776.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.