Home / 66,756,657.12-100,054,273.02-34,390,903.78

Finding the Fourth Proportional to 66,756,657.12, 100,054,273.02 and 34,390,903.78

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Solution

The fourth proportional to 66,756,657.12, 100,054,273.02 and 34,390,903.78 is: 51,544,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756,657.12 : 100,054,273.02 = 34,390,903.78 : x
  2. Step 2: Convert to fraction form
    66,756,657.12/100,054,273.02 = 34,390,903.78/x
  3. Step 3: Cross multiply
    66,756,657.12x = 100,054,273.02 × 34,390,903.78
  4. Step 4: Simplify right side
    66,756,657.12x = 3,440,956,876,208,670
  5. Step 5: Solve for x
    x = 3,440,956,876,208,670/66,756,657.12
  6. Step 6: Final answer
    x = 51,544,775.08

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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.