Home / 115,161,792.53-172,742,689.60-38,484,820.85

Finding the Fourth Proportional to 115,161,792.53, 172,742,689.60 and 38,484,820.85

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Solution

The fourth proportional to 115,161,792.53, 172,742,689.60 and 38,484,820.85 is: 57,727,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,161,792.53 : 172,742,689.60 = 38,484,820.85 : x
  2. Step 2: Convert to fraction form
    115,161,792.53/172,742,689.60 = 38,484,820.85/x
  3. Step 3: Cross multiply
    115,161,792.53x = 172,742,689.60 × 38,484,820.85
  4. Step 4: Simplify right side
    115,161,792.53x = 6,647,971,461,443,232
  5. Step 5: Solve for x
    x = 6,647,971,461,443,232/115,161,792.53
  6. Step 6: Final answer
    x = 57,727,231.54

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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.