Home / 191,962,001.40-287,943,002.10-84,256,625.40

Finding the Fourth Proportional to 191,962,001.40, 287,943,002.10 and 84,256,625.40

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Solution

The fourth proportional to 191,962,001.40, 287,943,002.10 and 84,256,625.40 is: 126,384,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,962,001.40 : 287,943,002.10 = 84,256,625.40 : x
  2. Step 2: Convert to fraction form
    191,962,001.40/287,943,002.10 = 84,256,625.40/x
  3. Step 3: Cross multiply
    191,962,001.40x = 287,943,002.10 × 84,256,625.40
  4. Step 4: Simplify right side
    191,962,001.40x = 24,261,105,664,491,116
  5. Step 5: Solve for x
    x = 24,261,105,664,491,116/191,962,001.40
  6. Step 6: Final answer
    x = 126,384,938.10

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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.