Home / 211,069,929.52-291,357,848.64-205,245,336.16

Finding the Fourth Proportional to 211,069,929.52, 291,357,848.64 and 205,245,336.16

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Solution

The fourth proportional to 211,069,929.52, 291,357,848.64 and 205,245,336.16 is: 283,317,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,069,929.52 : 291,357,848.64 = 205,245,336.16 : x
  2. Step 2: Convert to fraction form
    211,069,929.52/291,357,848.64 = 205,245,336.16/x
  3. Step 3: Cross multiply
    211,069,929.52x = 291,357,848.64 × 205,245,336.16
  4. Step 4: Simplify right side
    211,069,929.52x = 59,799,839,586,971,192
  5. Step 5: Solve for x
    x = 59,799,839,586,971,192/211,069,929.52
  6. Step 6: Final answer
    x = 283,317,665.02

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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.