Home / 191,542,541.81-287,313,816.53-45,976,103.22

Finding the Fourth Proportional to 191,542,541.81, 287,313,816.53 and 45,976,103.22

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Solution

The fourth proportional to 191,542,541.81, 287,313,816.53 and 45,976,103.22 is: 68,964,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,542,541.81 : 287,313,816.53 = 45,976,103.22 : x
  2. Step 2: Convert to fraction form
    191,542,541.81/287,313,816.53 = 45,976,103.22/x
  3. Step 3: Cross multiply
    191,542,541.81x = 287,313,816.53 × 45,976,103.22
  4. Step 4: Simplify right side
    191,542,541.81x = 13,209,569,685,315,420
  5. Step 5: Solve for x
    x = 13,209,569,685,315,420/191,542,541.81
  6. Step 6: Final answer
    x = 68,964,155.75

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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.