Home / 191,459,898.40-287,189,847.60-190,025,007.70

Finding the Fourth Proportional to 191,459,898.40, 287,189,847.60 and 190,025,007.70

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Solution

The fourth proportional to 191,459,898.40, 287,189,847.60 and 190,025,007.70 is: 285,037,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,459,898.40 : 287,189,847.60 = 190,025,007.70 : x
  2. Step 2: Convert to fraction form
    191,459,898.40/287,189,847.60 = 190,025,007.70/x
  3. Step 3: Cross multiply
    191,459,898.40x = 287,189,847.60 × 190,025,007.70
  4. Step 4: Simplify right side
    191,459,898.40x = 54,573,253,001,551,824
  5. Step 5: Solve for x
    x = 54,573,253,001,551,824/191,459,898.40
  6. Step 6: Final answer
    x = 285,037,511.55

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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.