Home / 355,901,702.40-533,852,553.60-126,130,233.60

Finding the Fourth Proportional to 355,901,702.40, 533,852,553.60 and 126,130,233.60

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Solution

The fourth proportional to 355,901,702.40, 533,852,553.60 and 126,130,233.60 is: 189,195,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,901,702.40 : 533,852,553.60 = 126,130,233.60 : x
  2. Step 2: Convert to fraction form
    355,901,702.40/533,852,553.60 = 126,130,233.60/x
  3. Step 3: Cross multiply
    355,901,702.40x = 533,852,553.60 × 126,130,233.60
  4. Step 4: Simplify right side
    355,901,702.40x = 67,334,947,293,524,520
  5. Step 5: Solve for x
    x = 67,334,947,293,524,520/355,901,702.40
  6. Step 6: Final answer
    x = 189,195,350.40

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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.