Home / 103,529,210.80-155,293,816.20-65,359,937.20

Finding the Fourth Proportional to 103,529,210.80, 155,293,816.20 and 65,359,937.20

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Solution

The fourth proportional to 103,529,210.80, 155,293,816.20 and 65,359,937.20 is: 98,039,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,529,210.80 : 155,293,816.20 = 65,359,937.20 : x
  2. Step 2: Convert to fraction form
    103,529,210.80/155,293,816.20 = 65,359,937.20/x
  3. Step 3: Cross multiply
    103,529,210.80x = 155,293,816.20 × 65,359,937.20
  4. Step 4: Simplify right side
    103,529,210.80x = 10,149,994,074,380,342
  5. Step 5: Solve for x
    x = 10,149,994,074,380,342/103,529,210.80
  6. Step 6: Final answer
    x = 98,039,905.80

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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.