Home / 60,459,729.48-90,686,838.60-19,521,057.78

Finding the Fourth Proportional to 60,459,729.48, 90,686,838.60 and 19,521,057.78

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Solution

The fourth proportional to 60,459,729.48, 90,686,838.60 and 19,521,057.78 is: 29,280,696.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459,729.48 : 90,686,838.60 = 19,521,057.78 : x
  2. Step 2: Convert to fraction form
    60,459,729.48/90,686,838.60 = 19,521,057.78/x
  3. Step 3: Cross multiply
    60,459,729.48x = 90,686,838.60 × 19,521,057.78
  4. Step 4: Simplify right side
    60,459,729.48x = 1,770,303,016,196,134.25
  5. Step 5: Solve for x
    x = 1,770,303,016,196,134.25/60,459,729.48
  6. Step 6: Final answer
    x = 29,280,696.94

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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.