Home / 191,698,754.10-287,728,534.35-100,887,515.70

Finding the Fourth Proportional to 191,698,754.10, 287,728,534.35 and 100,887,515.70

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Solution

The fourth proportional to 191,698,754.10, 287,728,534.35 and 100,887,515.70 is: 151,426,216.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,698,754.10 : 287,728,534.35 = 100,887,515.70 : x
  2. Step 2: Convert to fraction form
    191,698,754.10/287,728,534.35 = 100,887,515.70/x
  3. Step 3: Cross multiply
    191,698,754.10x = 287,728,534.35 × 100,887,515.70
  4. Step 4: Simplify right side
    191,698,754.10x = 29,028,217,026,573,616
  5. Step 5: Solve for x
    x = 29,028,217,026,573,616/191,698,754.10
  6. Step 6: Final answer
    x = 151,426,216.42

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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.