Home / 178,890,411.40-268,335,617.10-57,721,863.40

Finding the Fourth Proportional to 178,890,411.40, 268,335,617.10 and 57,721,863.40

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Solution

The fourth proportional to 178,890,411.40, 268,335,617.10 and 57,721,863.40 is: 86,582,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,890,411.40 : 268,335,617.10 = 57,721,863.40 : x
  2. Step 2: Convert to fraction form
    178,890,411.40/268,335,617.10 = 57,721,863.40/x
  3. Step 3: Cross multiply
    178,890,411.40x = 268,335,617.10 × 57,721,863.40
  4. Step 4: Simplify right side
    178,890,411.40x = 15,488,831,835,600,904
  5. Step 5: Solve for x
    x = 15,488,831,835,600,904/178,890,411.40
  6. Step 6: Final answer
    x = 86,582,795.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.