Home / 191,808,193.80-287,381,616.30-89,362,115.40

Finding the Fourth Proportional to 191,808,193.80, 287,381,616.30 and 89,362,115.40

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Solution

The fourth proportional to 191,808,193.80, 287,381,616.30 and 89,362,115.40 is: 133,889,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,193.80 : 287,381,616.30 = 89,362,115.40 : x
  2. Step 2: Convert to fraction form
    191,808,193.80/287,381,616.30 = 89,362,115.40/x
  3. Step 3: Cross multiply
    191,808,193.80x = 287,381,616.30 × 89,362,115.40
  4. Step 4: Simplify right side
    191,808,193.80x = 25,681,029,159,639,124
  5. Step 5: Solve for x
    x = 25,681,029,159,639,124/191,808,193.80
  6. Step 6: Final answer
    x = 133,889,114.18

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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.