Home / 211,430,460.29-291,776,025.03-118,612,960.43

Finding the Fourth Proportional to 211,430,460.29, 291,776,025.03 and 118,612,960.43

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Solution

The fourth proportional to 211,430,460.29, 291,776,025.03 and 118,612,960.43 is: 163,687,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,430,460.29 : 291,776,025.03 = 118,612,960.43 : x
  2. Step 2: Convert to fraction form
    211,430,460.29/291,776,025.03 = 118,612,960.43/x
  3. Step 3: Cross multiply
    211,430,460.29x = 291,776,025.03 × 118,612,960.43
  4. Step 4: Simplify right side
    211,430,460.29x = 34,608,418,111,306,080
  5. Step 5: Solve for x
    x = 34,608,418,111,306,080/211,430,460.29
  6. Step 6: Final answer
    x = 163,687,001.69

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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.