Home / 290,545,421.67-401,095,827.86-201,305,036.97

Finding the Fourth Proportional to 290,545,421.67, 401,095,827.86 and 201,305,036.97

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Solution

The fourth proportional to 290,545,421.67, 401,095,827.86 and 201,305,036.97 is: 277,900,130.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,545,421.67 : 401,095,827.86 = 201,305,036.97 : x
  2. Step 2: Convert to fraction form
    290,545,421.67/401,095,827.86 = 201,305,036.97/x
  3. Step 3: Cross multiply
    290,545,421.67x = 401,095,827.86 × 201,305,036.97
  4. Step 4: Simplify right side
    290,545,421.67x = 80,742,610,454,863,536
  5. Step 5: Solve for x
    x = 80,742,610,454,863,536/290,545,421.67
  6. Step 6: Final answer
    x = 277,900,130.01

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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.