Home / 66,438,125.20-99,657,187.80-26,048,609.20

Finding the Fourth Proportional to 66,438,125.20, 99,657,187.80 and 26,048,609.20

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Solution

The fourth proportional to 66,438,125.20, 99,657,187.80 and 26,048,609.20 is: 39,072,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,125.20 : 99,657,187.80 = 26,048,609.20 : x
  2. Step 2: Convert to fraction form
    66,438,125.20/99,657,187.80 = 26,048,609.20/x
  3. Step 3: Cross multiply
    66,438,125.20x = 99,657,187.80 × 26,048,609.20
  4. Step 4: Simplify right side
    66,438,125.20x = 2,595,931,138,973,207.50
  5. Step 5: Solve for x
    x = 2,595,931,138,973,207.50/66,438,125.20
  6. Step 6: Final answer
    x = 39,072,913.80

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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.