Home / 209,710,970.08-289,525,280.42-186,441,825.89

Finding the Fourth Proportional to 209,710,970.08, 289,525,280.42 and 186,441,825.89

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Solution

The fourth proportional to 209,710,970.08, 289,525,280.42 and 186,441,825.89 is: 257,400,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,710,970.08 : 289,525,280.42 = 186,441,825.89 : x
  2. Step 2: Convert to fraction form
    209,710,970.08/289,525,280.42 = 186,441,825.89/x
  3. Step 3: Cross multiply
    209,710,970.08x = 289,525,280.42 × 186,441,825.89
  4. Step 4: Simplify right side
    209,710,970.08x = 53,979,621,924,008,992
  5. Step 5: Solve for x
    x = 53,979,621,924,008,992/209,710,970.08
  6. Step 6: Final answer
    x = 257,400,086.91

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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.