Home / 160,511,664.02-221,507,398.06-87,173,330.90

Finding the Fourth Proportional to 160,511,664.02, 221,507,398.06 and 87,173,330.90

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Solution

The fourth proportional to 160,511,664.02, 221,507,398.06 and 87,173,330.90 is: 120,299,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,511,664.02 : 221,507,398.06 = 87,173,330.90 : x
  2. Step 2: Convert to fraction form
    160,511,664.02/221,507,398.06 = 87,173,330.90/x
  3. Step 3: Cross multiply
    160,511,664.02x = 221,507,398.06 × 87,173,330.90
  4. Step 4: Simplify right side
    160,511,664.02x = 19,309,537,707,882,400
  5. Step 5: Solve for x
    x = 19,309,537,707,882,400/160,511,664.02
  6. Step 6: Final answer
    x = 120,299,903.60

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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.