Home / 193,975,856.16-291,002,114.25-71,155,314.06

Finding the Fourth Proportional to 193,975,856.16, 291,002,114.25 and 71,155,314.06

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Solution

The fourth proportional to 193,975,856.16, 291,002,114.25 and 71,155,314.06 is: 106,747,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,975,856.16 : 291,002,114.25 = 71,155,314.06 : x
  2. Step 2: Convert to fraction form
    193,975,856.16/291,002,114.25 = 71,155,314.06/x
  3. Step 3: Cross multiply
    193,975,856.16x = 291,002,114.25 × 71,155,314.06
  4. Step 4: Simplify right side
    193,975,856.16x = 20,706,346,831,582,752
  5. Step 5: Solve for x
    x = 20,706,346,831,582,752/193,975,856.16
  6. Step 6: Final answer
    x = 106,747,031.52

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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.