Home / 160,362,528.48-221,300,431.02-87,023,670.48

Finding the Fourth Proportional to 160,362,528.48, 221,300,431.02 and 87,023,670.48

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Solution

The fourth proportional to 160,362,528.48, 221,300,431.02 and 87,023,670.48 is: 120,092,742.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,362,528.48 : 221,300,431.02 = 87,023,670.48 : x
  2. Step 2: Convert to fraction form
    160,362,528.48/221,300,431.02 = 87,023,670.48/x
  3. Step 3: Cross multiply
    160,362,528.48x = 221,300,431.02 × 87,023,670.48
  4. Step 4: Simplify right side
    160,362,528.48x = 19,258,375,786,166,452
  5. Step 5: Solve for x
    x = 19,258,375,786,166,452/160,362,528.48
  6. Step 6: Final answer
    x = 120,092,742.17

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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.