Home / 210,410,237.40-290,375,095.04-117,590,742.51

Finding the Fourth Proportional to 210,410,237.40, 290,375,095.04 and 117,590,742.51

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Solution

The fourth proportional to 210,410,237.40, 290,375,095.04 and 117,590,742.51 is: 162,280,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,410,237.40 : 290,375,095.04 = 117,590,742.51 : x
  2. Step 2: Convert to fraction form
    210,410,237.40/290,375,095.04 = 117,590,742.51/x
  3. Step 3: Cross multiply
    210,410,237.40x = 290,375,095.04 × 117,590,742.51
  4. Step 4: Simplify right side
    210,410,237.40x = 34,145,423,032,165,424
  5. Step 5: Solve for x
    x = 34,145,423,032,165,424/210,410,237.40
  6. Step 6: Final answer
    x = 162,280,236.24

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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.