Home / 191,840,680.80-287,430,346.80-89,394,602.40

Finding the Fourth Proportional to 191,840,680.80, 287,430,346.80 and 89,394,602.40

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Solution

The fourth proportional to 191,840,680.80, 287,430,346.80 and 89,394,602.40 is: 133,937,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,840,680.80 : 287,430,346.80 = 89,394,602.40 : x
  2. Step 2: Convert to fraction form
    191,840,680.80/287,430,346.80 = 89,394,602.40/x
  3. Step 3: Cross multiply
    191,840,680.80x = 287,430,346.80 × 89,394,602.40
  4. Step 4: Simplify right side
    191,840,680.80x = 25,694,721,569,880,116
  5. Step 5: Solve for x
    x = 25,694,721,569,880,116/191,840,680.80
  6. Step 6: Final answer
    x = 133,937,814.77

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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.