Home / 209,952,606.30-314,928,909.45-73,637,989.80

Finding the Fourth Proportional to 209,952,606.30, 314,928,909.45 and 73,637,989.80

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Solution

The fourth proportional to 209,952,606.30, 314,928,909.45 and 73,637,989.80 is: 110,456,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,606.30 : 314,928,909.45 = 73,637,989.80 : x
  2. Step 2: Convert to fraction form
    209,952,606.30/314,928,909.45 = 73,637,989.80/x
  3. Step 3: Cross multiply
    209,952,606.30x = 314,928,909.45 × 73,637,989.80
  4. Step 4: Simplify right side
    209,952,606.30x = 23,190,731,821,804,220
  5. Step 5: Solve for x
    x = 23,190,731,821,804,220/209,952,606.30
  6. Step 6: Final answer
    x = 110,456,984.70

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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.