Home / 160,852,673.31-221,958,927.68-90,272,095.08

Finding the Fourth Proportional to 160,852,673.31, 221,958,927.68 and 90,272,095.08

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Solution

The fourth proportional to 160,852,673.31, 221,958,927.68 and 90,272,095.08 is: 124,565,523.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,852,673.31 : 221,958,927.68 = 90,272,095.08 : x
  2. Step 2: Convert to fraction form
    160,852,673.31/221,958,927.68 = 90,272,095.08/x
  3. Step 3: Cross multiply
    160,852,673.31x = 221,958,927.68 × 90,272,095.08
  4. Step 4: Simplify right side
    160,852,673.31x = 20,036,697,422,100,100
  5. Step 5: Solve for x
    x = 20,036,697,422,100,100/160,852,673.31
  6. Step 6: Final answer
    x = 124,565,523.28

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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.