Home / 145,685,872.80-218,528,809.20-37,980,496.80

Finding the Fourth Proportional to 145,685,872.80, 218,528,809.20 and 37,980,496.80

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Solution

The fourth proportional to 145,685,872.80, 218,528,809.20 and 37,980,496.80 is: 56,970,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,685,872.80 : 218,528,809.20 = 37,980,496.80 : x
  2. Step 2: Convert to fraction form
    145,685,872.80/218,528,809.20 = 37,980,496.80/x
  3. Step 3: Cross multiply
    145,685,872.80x = 218,528,809.20 × 37,980,496.80
  4. Step 4: Simplify right side
    145,685,872.80x = 8,299,832,738,528,409
  5. Step 5: Solve for x
    x = 8,299,832,738,528,409/145,685,872.80
  6. Step 6: Final answer
    x = 56,970,745.20

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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.