Home / 211,525,841.51-291,702,799.01-136,095,181.91

Finding the Fourth Proportional to 211,525,841.51, 291,702,799.01 and 136,095,181.91

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Solution

The fourth proportional to 211,525,841.51, 291,702,799.01 and 136,095,181.91 is: 187,680,829.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525,841.51 : 291,702,799.01 = 136,095,181.91 : x
  2. Step 2: Convert to fraction form
    211,525,841.51/291,702,799.01 = 136,095,181.91/x
  3. Step 3: Cross multiply
    211,525,841.51x = 291,702,799.01 × 136,095,181.91
  4. Step 4: Simplify right side
    211,525,841.51x = 39,699,345,492,783,128
  5. Step 5: Solve for x
    x = 39,699,345,492,783,128/211,525,841.51
  6. Step 6: Final answer
    x = 187,680,829.97

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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.