Home / 291,230,281.52-436,847,055.49-97,141,163.87

Finding the Fourth Proportional to 291,230,281.52, 436,847,055.49 and 97,141,163.87

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Solution

The fourth proportional to 291,230,281.52, 436,847,055.49 and 97,141,163.87 is: 145,712,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230,281.52 : 436,847,055.49 = 97,141,163.87 : x
  2. Step 2: Convert to fraction form
    291,230,281.52/436,847,055.49 = 97,141,163.87/x
  3. Step 3: Cross multiply
    291,230,281.52x = 436,847,055.49 × 97,141,163.87
  4. Step 4: Simplify right side
    291,230,281.52x = 42,435,831,404,693,648
  5. Step 5: Solve for x
    x = 42,435,831,404,693,648/291,230,281.52
  6. Step 6: Final answer
    x = 145,712,290.57

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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.