Home / 151,072,012.80-226,608,019.20-139,482,662.40

Finding the Fourth Proportional to 151,072,012.80, 226,608,019.20 and 139,482,662.40

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Solution

The fourth proportional to 151,072,012.80, 226,608,019.20 and 139,482,662.40 is: 209,223,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,072,012.80 : 226,608,019.20 = 139,482,662.40 : x
  2. Step 2: Convert to fraction form
    151,072,012.80/226,608,019.20 = 139,482,662.40/x
  3. Step 3: Cross multiply
    151,072,012.80x = 226,608,019.20 × 139,482,662.40
  4. Step 4: Simplify right side
    151,072,012.80x = 31,607,889,839,206,316
  5. Step 5: Solve for x
    x = 31,607,889,839,206,316/151,072,012.80
  6. Step 6: Final answer
    x = 209,223,993.60

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1.5x scale

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.