Home / 229,298,385.24-316,388,296.08-145,680,129.36

Finding the Fourth Proportional to 229,298,385.24, 316,388,296.08 and 145,680,129.36

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Solution

The fourth proportional to 229,298,385.24, 316,388,296.08 and 145,680,129.36 is: 201,010,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,298,385.24 : 316,388,296.08 = 145,680,129.36 : x
  2. Step 2: Convert to fraction form
    229,298,385.24/316,388,296.08 = 145,680,129.36/x
  3. Step 3: Cross multiply
    229,298,385.24x = 316,388,296.08 × 145,680,129.36
  4. Step 4: Simplify right side
    229,298,385.24x = 46,091,487,900,924,384
  5. Step 5: Solve for x
    x = 46,091,487,900,924,384/229,298,385.24
  6. Step 6: Final answer
    x = 201,010,957.20

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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.