Home / 162,028,143.24-243,142,991.81-118,232,156.04

Finding the Fourth Proportional to 162,028,143.24, 243,142,991.81 and 118,232,156.04

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Solution

The fourth proportional to 162,028,143.24, 243,142,991.81 and 118,232,156.04 is: 177,421,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,028,143.24 : 243,142,991.81 = 118,232,156.04 : x
  2. Step 2: Convert to fraction form
    162,028,143.24/243,142,991.81 = 118,232,156.04/x
  3. Step 3: Cross multiply
    162,028,143.24x = 243,142,991.81 × 118,232,156.04
  4. Step 4: Simplify right side
    162,028,143.24x = 28,747,320,147,712,364
  5. Step 5: Solve for x
    x = 28,747,320,147,712,364/162,028,143.24
  6. Step 6: Final answer
    x = 177,421,771.14

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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.