Home / 178,672,683.16-246,575,715.58-99,287,448.12

Finding the Fourth Proportional to 178,672,683.16, 246,575,715.58 and 99,287,448.12

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Solution

The fourth proportional to 178,672,683.16, 246,575,715.58 and 99,287,448.12 is: 137,020,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,672,683.16 : 246,575,715.58 = 99,287,448.12 : x
  2. Step 2: Convert to fraction form
    178,672,683.16/246,575,715.58 = 99,287,448.12/x
  3. Step 3: Cross multiply
    178,672,683.16x = 246,575,715.58 × 99,287,448.12
  4. Step 4: Simplify right side
    178,672,683.16x = 24,481,873,568,301,128
  5. Step 5: Solve for x
    x = 24,481,873,568,301,128/178,672,683.16
  6. Step 6: Final answer
    x = 137,020,797.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.