Home / 103,586,189.80-155,397,947.10-43,008,039.40

Finding the Fourth Proportional to 103,586,189.80, 155,397,947.10 and 43,008,039.40

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Solution

The fourth proportional to 103,586,189.80, 155,397,947.10 and 43,008,039.40 is: 64,519,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586,189.80 : 155,397,947.10 = 43,008,039.40 : x
  2. Step 2: Convert to fraction form
    103,586,189.80/155,397,947.10 = 43,008,039.40/x
  3. Step 3: Cross multiply
    103,586,189.80x = 155,397,947.10 × 43,008,039.40
  4. Step 4: Simplify right side
    103,586,189.80x = 6,683,361,031,555,915
  5. Step 5: Solve for x
    x = 6,683,361,031,555,915/103,586,189.80
  6. Step 6: Final answer
    x = 64,519,807.56

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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.