Home / 210,926,417.54-291,080,784.12-116,842,005.59

Finding the Fourth Proportional to 210,926,417.54, 291,080,784.12 and 116,842,005.59

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Solution

The fourth proportional to 210,926,417.54, 291,080,784.12 and 116,842,005.59 is: 161,243,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,926,417.54 : 291,080,784.12 = 116,842,005.59 : x
  2. Step 2: Convert to fraction form
    210,926,417.54/291,080,784.12 = 116,842,005.59/x
  3. Step 3: Cross multiply
    210,926,417.54x = 291,080,784.12 × 116,842,005.59
  4. Step 4: Simplify right side
    210,926,417.54x = 34,010,462,603,835,216
  5. Step 5: Solve for x
    x = 34,010,462,603,835,216/210,926,417.54
  6. Step 6: Final answer
    x = 161,243,257.25

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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.