Home / 128,309,075.40-192,463,613.10-124,529,939.40

Finding the Fourth Proportional to 128,309,075.40, 192,463,613.10 and 124,529,939.40

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Solution

The fourth proportional to 128,309,075.40, 192,463,613.10 and 124,529,939.40 is: 186,794,909.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,309,075.40 : 192,463,613.10 = 124,529,939.40 : x
  2. Step 2: Convert to fraction form
    128,309,075.40/192,463,613.10 = 124,529,939.40/x
  3. Step 3: Cross multiply
    128,309,075.40x = 192,463,613.10 × 124,529,939.40
  4. Step 4: Simplify right side
    128,309,075.40x = 23,967,482,076,048,048
  5. Step 5: Solve for x
    x = 23,967,482,076,048,048/128,309,075.40
  6. Step 6: Final answer
    x = 186,794,909.10

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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.