Home / 66,432,001.05-99,648,001.58-39,110,247.45

Finding the Fourth Proportional to 66,432,001.05, 99,648,001.58 and 39,110,247.45

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Solution

The fourth proportional to 66,432,001.05, 99,648,001.58 and 39,110,247.45 is: 58,665,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,432,001.05 : 99,648,001.58 = 39,110,247.45 : x
  2. Step 2: Convert to fraction form
    66,432,001.05/99,648,001.58 = 39,110,247.45/x
  3. Step 3: Cross multiply
    66,432,001.05x = 99,648,001.58 × 39,110,247.45
  4. Step 4: Simplify right side
    66,432,001.05x = 3,897,257,999,496,240
  5. Step 5: Solve for x
    x = 3,897,257,999,496,240/66,432,001.05
  6. Step 6: Final answer
    x = 58,665,371.18

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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.