Home / 54,506,836.60-81,760,254.90-42,413,601.40

Finding the Fourth Proportional to 54,506,836.60, 81,760,254.90 and 42,413,601.40

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Solution

The fourth proportional to 54,506,836.60, 81,760,254.90 and 42,413,601.40 is: 63,620,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,506,836.60 : 81,760,254.90 = 42,413,601.40 : x
  2. Step 2: Convert to fraction form
    54,506,836.60/81,760,254.90 = 42,413,601.40/x
  3. Step 3: Cross multiply
    54,506,836.60x = 81,760,254.90 × 42,413,601.40
  4. Step 4: Simplify right side
    54,506,836.60x = 3,467,746,861,690,997
  5. Step 5: Solve for x
    x = 3,467,746,861,690,997/54,506,836.60
  6. Step 6: Final answer
    x = 63,620,402.10

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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.