Home / 211,594,159.54-291,964,904.77-122,294,419.31

Finding the Fourth Proportional to 211,594,159.54, 291,964,904.77 and 122,294,419.31

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Solution

The fourth proportional to 211,594,159.54, 291,964,904.77 and 122,294,419.31 is: 168,746,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,594,159.54 : 291,964,904.77 = 122,294,419.31 : x
  2. Step 2: Convert to fraction form
    211,594,159.54/291,964,904.77 = 122,294,419.31/x
  3. Step 3: Cross multiply
    211,594,159.54x = 291,964,904.77 × 122,294,419.31
  4. Step 4: Simplify right side
    211,594,159.54x = 35,705,678,487,746,596
  5. Step 5: Solve for x
    x = 35,705,678,487,746,596/211,594,159.54
  6. Step 6: Final answer
    x = 168,746,049.35

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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.