Home / 317,022,354.21-437,494,017.47-177,790,125.81

Finding the Fourth Proportional to 317,022,354.21, 437,494,017.47 and 177,790,125.81

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Solution

The fourth proportional to 317,022,354.21, 437,494,017.47 and 177,790,125.81 is: 245,352,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,022,354.21 : 437,494,017.47 = 177,790,125.81 : x
  2. Step 2: Convert to fraction form
    317,022,354.21/437,494,017.47 = 177,790,125.81/x
  3. Step 3: Cross multiply
    317,022,354.21x = 437,494,017.47 × 177,790,125.81
  4. Step 4: Simplify right side
    317,022,354.21x = 77,782,116,406,224,688
  5. Step 5: Solve for x
    x = 77,782,116,406,224,688/317,022,354.21
  6. Step 6: Final answer
    x = 245,352,150.64

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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.