Home / 174,768,100.40-262,215,136.20-72,605,457.20

Finding the Fourth Proportional to 174,768,100.40, 262,215,136.20 and 72,605,457.20

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Solution

The fourth proportional to 174,768,100.40, 262,215,136.20 and 72,605,457.20 is: 108,934,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,768,100.40 : 262,215,136.20 = 72,605,457.20 : x
  2. Step 2: Convert to fraction form
    174,768,100.40/262,215,136.20 = 72,605,457.20/x
  3. Step 3: Cross multiply
    174,768,100.40x = 262,215,136.20 × 72,605,457.20
  4. Step 4: Simplify right side
    174,768,100.40x = 19,038,249,848,561,272
  5. Step 5: Solve for x
    x = 19,038,249,848,561,272/174,768,100.40
  6. Step 6: Final answer
    x = 108,934,352.46

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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.