Home / 290,223,700.79-400,544,762.40-164,816,180.01

Finding the Fourth Proportional to 290,223,700.79, 400,544,762.40 and 164,816,180.01

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Solution

The fourth proportional to 290,223,700.79, 400,544,762.40 and 164,816,180.01 is: 227,466,804.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,223,700.79 : 400,544,762.40 = 164,816,180.01 : x
  2. Step 2: Convert to fraction form
    290,223,700.79/400,544,762.40 = 164,816,180.01/x
  3. Step 3: Cross multiply
    290,223,700.79x = 400,544,762.40 × 164,816,180.01
  4. Step 4: Simplify right side
    290,223,700.79x = 66,016,257,661,781,072
  5. Step 5: Solve for x
    x = 66,016,257,661,781,072/290,223,700.79
  6. Step 6: Final answer
    x = 227,466,804.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.