Home / 315,032,332.14-434,744,697.15-173,903,634.54

Finding the Fourth Proportional to 315,032,332.14, 434,744,697.15 and 173,903,634.54

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Solution

The fourth proportional to 315,032,332.14, 434,744,697.15 and 173,903,634.54 is: 239,987,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,032,332.14 : 434,744,697.15 = 173,903,634.54 : x
  2. Step 2: Convert to fraction form
    315,032,332.14/434,744,697.15 = 173,903,634.54/x
  3. Step 3: Cross multiply
    315,032,332.14x = 434,744,697.15 × 173,903,634.54
  4. Step 4: Simplify right side
    315,032,332.14x = 75,603,682,931,376,576
  5. Step 5: Solve for x
    x = 75,603,682,931,376,576/315,032,332.14
  6. Step 6: Final answer
    x = 239,987,059.16

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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.