Home / 290,596,844.23-401,012,094.05-171,557,781.01

Finding the Fourth Proportional to 290,596,844.23, 401,012,094.05 and 171,557,781.01

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Solution

The fourth proportional to 290,596,844.23, 401,012,094.05 and 171,557,781.01 is: 236,742,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,596,844.23 : 401,012,094.05 = 171,557,781.01 : x
  2. Step 2: Convert to fraction form
    290,596,844.23/401,012,094.05 = 171,557,781.01/x
  3. Step 3: Cross multiply
    290,596,844.23x = 401,012,094.05 × 171,557,781.01
  4. Step 4: Simplify right side
    290,596,844.23x = 68,796,745,012,174,440
  5. Step 5: Solve for x
    x = 68,796,745,012,174,440/290,596,844.23
  6. Step 6: Final answer
    x = 236,742,918.51

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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.