Home / 147,109,624.48-203,011,280.22-85,265,835.04

Finding the Fourth Proportional to 147,109,624.48, 203,011,280.22 and 85,265,835.04

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Solution

The fourth proportional to 147,109,624.48, 203,011,280.22 and 85,265,835.04 is: 117,666,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,624.48 : 203,011,280.22 = 85,265,835.04 : x
  2. Step 2: Convert to fraction form
    147,109,624.48/203,011,280.22 = 85,265,835.04/x
  3. Step 3: Cross multiply
    147,109,624.48x = 203,011,280.22 × 85,265,835.04
  4. Step 4: Simplify right side
    147,109,624.48x = 17,309,926,330,497,736
  5. Step 5: Solve for x
    x = 17,309,926,330,497,736/147,109,624.48
  6. Step 6: Final answer
    x = 117,666,851.45

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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.