Home / 191,808,906.30-287,382,685.05-89,362,827.90

Finding the Fourth Proportional to 191,808,906.30, 287,382,685.05 and 89,362,827.90

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Solution

The fourth proportional to 191,808,906.30, 287,382,685.05 and 89,362,827.90 is: 133,890,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,906.30 : 287,382,685.05 = 89,362,827.90 : x
  2. Step 2: Convert to fraction form
    191,808,906.30/287,382,685.05 = 89,362,827.90/x
  3. Step 3: Cross multiply
    191,808,906.30x = 287,382,685.05 × 89,362,827.90
  4. Step 4: Simplify right side
    191,808,906.30x = 25,681,329,425,563,056
  5. Step 5: Solve for x
    x = 25,681,329,425,563,056/191,808,906.30
  6. Step 6: Final answer
    x = 133,890,182.27

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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.