Home / 355,960,712.40-533,941,068.60-126,189,243.60

Finding the Fourth Proportional to 355,960,712.40, 533,941,068.60 and 126,189,243.60

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Solution

The fourth proportional to 355,960,712.40, 533,941,068.60 and 126,189,243.60 is: 189,283,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,960,712.40 : 533,941,068.60 = 126,189,243.60 : x
  2. Step 2: Convert to fraction form
    355,960,712.40/533,941,068.60 = 126,189,243.60/x
  3. Step 3: Cross multiply
    355,960,712.40x = 533,941,068.60 × 126,189,243.60
  4. Step 4: Simplify right side
    355,960,712.40x = 67,377,619,573,609,712
  5. Step 5: Solve for x
    x = 67,377,619,573,609,712/355,960,712.40
  6. Step 6: Final answer
    x = 189,283,865.40

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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.